Home / 143,882.43-215,823.30-38,701.50

Finding the Fourth Proportional to 143,882.43, 215,823.30 and 38,701.50

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Solution

The fourth proportional to 143,882.43, 215,823.30 and 38,701.50 is: 58,052.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,882.43 : 215,823.30 = 38,701.50 : x
  2. Step 2: Convert to fraction form
    143,882.43/215,823.30 = 38,701.50/x
  3. Step 3: Cross multiply
    143,882.43x = 215,823.30 × 38,701.50
  4. Step 4: Simplify right side
    143,882.43x = 8,352,685,444.95
  5. Step 5: Solve for x
    x = 8,352,685,444.95/143,882.43
  6. Step 6: Final answer
    x = 58,052.16

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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.