Home / 142,726.87-214,082.08-42,884.95

Finding the Fourth Proportional to 142,726.87, 214,082.08 and 42,884.95

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Solution

The fourth proportional to 142,726.87, 214,082.08 and 42,884.95 is: 64,324.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,726.87 : 214,082.08 = 42,884.95 : x
  2. Step 2: Convert to fraction form
    142,726.87/214,082.08 = 42,884.95/x
  3. Step 3: Cross multiply
    142,726.87x = 214,082.08 × 42,884.95
  4. Step 4: Simplify right side
    142,726.87x = 9,180,898,011.86
  5. Step 5: Solve for x
    x = 9,180,898,011.86/142,726.87
  6. Step 6: Final answer
    x = 64,324.95

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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.