Home / 115,344.48-173,016.72-45,256.80

Finding the Fourth Proportional to 115,344.48, 173,016.72 and 45,256.80

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Solution

The fourth proportional to 115,344.48, 173,016.72 and 45,256.80 is: 67,885.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,344.48 : 173,016.72 = 45,256.80 : x
  2. Step 2: Convert to fraction form
    115,344.48/173,016.72 = 45,256.80/x
  3. Step 3: Cross multiply
    115,344.48x = 173,016.72 × 45,256.80
  4. Step 4: Simplify right side
    115,344.48x = 7,830,183,093.70
  5. Step 5: Solve for x
    x = 7,830,183,093.70/115,344.48
  6. Step 6: Final answer
    x = 67,885.20

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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.