Home / 143,966.30-215,856.97-59,784.55

Finding the Fourth Proportional to 143,966.30, 215,856.97 and 59,784.55

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Solution

The fourth proportional to 143,966.30, 215,856.97 and 59,784.55 is: 89,638.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,966.30 : 215,856.97 = 59,784.55 : x
  2. Step 2: Convert to fraction form
    143,966.30/215,856.97 = 59,784.55/x
  3. Step 3: Cross multiply
    143,966.30x = 215,856.97 × 59,784.55
  4. Step 4: Simplify right side
    143,966.30x = 12,904,911,126.71
  5. Step 5: Solve for x
    x = 12,904,911,126.71/143,966.30
  6. Step 6: Final answer
    x = 89,638.42

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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.