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Finding the Fourth Proportional to 142,488, 213,732 and 59,382

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Solution

The fourth proportional to 142,488, 213,732 and 59,382 is: 89,073

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,488 : 213,732 = 59,382 : x
  2. Step 2: Convert to fraction form
    142,488/213,732 = 59,382/x
  3. Step 3: Cross multiply
    142,488x = 213,732 × 59,382
  4. Step 4: Simplify right side
    142,488x = 12,691,833,624
  5. Step 5: Solve for x
    x = 12,691,833,624/142,488
  6. Step 6: Final answer
    x = 89,073

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.