Home / 142,724.10-214,086.15-83,529.30

Finding the Fourth Proportional to 142,724.10, 214,086.15 and 83,529.30

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Solution

The fourth proportional to 142,724.10, 214,086.15 and 83,529.30 is: 125,293.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,724.10 : 214,086.15 = 83,529.30 : x
  2. Step 2: Convert to fraction form
    142,724.10/214,086.15 = 83,529.30/x
  3. Step 3: Cross multiply
    142,724.10x = 214,086.15 × 83,529.30
  4. Step 4: Simplify right side
    142,724.10x = 17,882,466,249.20
  5. Step 5: Solve for x
    x = 17,882,466,249.20/142,724.10
  6. Step 6: Final answer
    x = 125,293.95

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1.5x scale

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.