Home / 115,513.40-173,270.10-70,995.80

Finding the Fourth Proportional to 115,513.40, 173,270.10 and 70,995.80

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Solution

The fourth proportional to 115,513.40, 173,270.10 and 70,995.80 is: 106,493.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,513.40 : 173,270.10 = 70,995.80 : x
  2. Step 2: Convert to fraction form
    115,513.40/173,270.10 = 70,995.80/x
  3. Step 3: Cross multiply
    115,513.40x = 173,270.10 × 70,995.80
  4. Step 4: Simplify right side
    115,513.40x = 12,301,449,365.58
  5. Step 5: Solve for x
    x = 12,301,449,365.58/115,513.40
  6. Step 6: Final answer
    x = 106,493.70

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.