Home / 125,264.27-187,646.09-75,317.04

Finding the Fourth Proportional to 125,264.27, 187,646.09 and 75,317.04

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Solution

The fourth proportional to 125,264.27, 187,646.09 and 75,317.04 is: 112,825.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,264.27 : 187,646.09 = 75,317.04 : x
  2. Step 2: Convert to fraction form
    125,264.27/187,646.09 = 75,317.04/x
  3. Step 3: Cross multiply
    125,264.27x = 187,646.09 × 75,317.04
  4. Step 4: Simplify right side
    125,264.27x = 14,132,947,689.79
  5. Step 5: Solve for x
    x = 14,132,947,689.79/125,264.27
  6. Step 6: Final answer
    x = 112,825.05

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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.