Home / 103,082.27-142,251.12-60,643.53

Finding the Fourth Proportional to 103,082.27, 142,251.12 and 60,643.53

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Solution

The fourth proportional to 103,082.27, 142,251.12 and 60,643.53 is: 83,686.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,082.27 : 142,251.12 = 60,643.53 : x
  2. Step 2: Convert to fraction form
    103,082.27/142,251.12 = 60,643.53/x
  3. Step 3: Cross multiply
    103,082.27x = 142,251.12 × 60,643.53
  4. Step 4: Simplify right side
    103,082.27x = 8,626,610,063.25
  5. Step 5: Solve for x
    x = 8,626,610,063.25/103,082.27
  6. Step 6: Final answer
    x = 83,686.66

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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.