Home / 125,332.38-172,860.93-77,612.22

Finding the Fourth Proportional to 125,332.38, 172,860.93 and 77,612.22

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Solution

The fourth proportional to 125,332.38, 172,860.93 and 77,612.22 is: 107,044.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,332.38 : 172,860.93 = 77,612.22 : x
  2. Step 2: Convert to fraction form
    125,332.38/172,860.93 = 77,612.22/x
  3. Step 3: Cross multiply
    125,332.38x = 172,860.93 × 77,612.22
  4. Step 4: Simplify right side
    125,332.38x = 13,416,120,528.56
  5. Step 5: Solve for x
    x = 13,416,120,528.56/125,332.38
  6. Step 6: Final answer
    x = 107,044.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.