Home / 143,712.97-215,601.02-42,503.13

Finding the Fourth Proportional to 143,712.97, 215,601.02 and 42,503.13

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Solution

The fourth proportional to 143,712.97, 215,601.02 and 42,503.13 is: 63,764.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,712.97 : 215,601.02 = 42,503.13 : x
  2. Step 2: Convert to fraction form
    143,712.97/215,601.02 = 42,503.13/x
  3. Step 3: Cross multiply
    143,712.97x = 215,601.02 × 42,503.13
  4. Step 4: Simplify right side
    143,712.97x = 9,163,719,367.99
  5. Step 5: Solve for x
    x = 9,163,719,367.99/143,712.97
  6. Step 6: Final answer
    x = 63,764.04

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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.