Home / 125,500.91-173,190.24-68,139.09

Finding the Fourth Proportional to 125,500.91, 173,190.24 and 68,139.09

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Solution

The fourth proportional to 125,500.91, 173,190.24 and 68,139.09 is: 94,031.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,500.91 : 173,190.24 = 68,139.09 : x
  2. Step 2: Convert to fraction form
    125,500.91/173,190.24 = 68,139.09/x
  3. Step 3: Cross multiply
    125,500.91x = 173,190.24 × 68,139.09
  4. Step 4: Simplify right side
    125,500.91x = 11,801,025,350.48
  5. Step 5: Solve for x
    x = 11,801,025,350.48/125,500.91
  6. Step 6: Final answer
    x = 94,031.40

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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.