Home / 115,073.40-172,610.10-36,211.80

Finding the Fourth Proportional to 115,073.40, 172,610.10 and 36,211.80

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Solution

The fourth proportional to 115,073.40, 172,610.10 and 36,211.80 is: 54,317.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,073.40 : 172,610.10 = 36,211.80 : x
  2. Step 2: Convert to fraction form
    115,073.40/172,610.10 = 36,211.80/x
  3. Step 3: Cross multiply
    115,073.40x = 172,610.10 × 36,211.80
  4. Step 4: Simplify right side
    115,073.40x = 6,250,522,419.18
  5. Step 5: Solve for x
    x = 6,250,522,419.18/115,073.40
  6. Step 6: Final answer
    x = 54,317.70

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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.