Home / 142,705.28-214,089.24-58,466

Finding the Fourth Proportional to 142,705.28, 214,089.24 and 58,466

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Solution

The fourth proportional to 142,705.28, 214,089.24 and 58,466 is: 87,711.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,705.28 : 214,089.24 = 58,466 : x
  2. Step 2: Convert to fraction form
    142,705.28/214,089.24 = 58,466/x
  3. Step 3: Cross multiply
    142,705.28x = 214,089.24 × 58,466
  4. Step 4: Simplify right side
    142,705.28x = 12,516,941,505.84
  5. Step 5: Solve for x
    x = 12,516,941,505.84/142,705.28
  6. Step 6: Final answer
    x = 87,711.83

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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.