Home / 125,020.53-172,528.38-68,433.12

Finding the Fourth Proportional to 125,020.53, 172,528.38 and 68,433.12

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Solution

The fourth proportional to 125,020.53, 172,528.38 and 68,433.12 is: 94,437.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,020.53 : 172,528.38 = 68,433.12 : x
  2. Step 2: Convert to fraction form
    125,020.53/172,528.38 = 68,433.12/x
  3. Step 3: Cross multiply
    125,020.53x = 172,528.38 × 68,433.12
  4. Step 4: Simplify right side
    125,020.53x = 11,806,655,331.95
  5. Step 5: Solve for x
    x = 11,806,655,331.95/125,020.53
  6. Step 6: Final answer
    x = 94,437.73

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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.