Home / 125,516.71-173,170.29-80,220.82

Finding the Fourth Proportional to 125,516.71, 173,170.29 and 80,220.82

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Solution

The fourth proportional to 125,516.71, 173,170.29 and 80,220.82 is: 110,677.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,516.71 : 173,170.29 = 80,220.82 : x
  2. Step 2: Convert to fraction form
    125,516.71/173,170.29 = 80,220.82/x
  3. Step 3: Cross multiply
    125,516.71x = 173,170.29 × 80,220.82
  4. Step 4: Simplify right side
    125,516.71x = 13,891,862,663.44
  5. Step 5: Solve for x
    x = 13,891,862,663.44/125,516.71
  6. Step 6: Final answer
    x = 110,677.40

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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.