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Finding the Fourth Proportional to 141,756, 212,634 and 58,652.16

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Solution

The fourth proportional to 141,756, 212,634 and 58,652.16 is: 87,978.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,756 : 212,634 = 58,652.16 : x
  2. Step 2: Convert to fraction form
    141,756/212,634 = 58,652.16/x
  3. Step 3: Cross multiply
    141,756x = 212,634 × 58,652.16
  4. Step 4: Simplify right side
    141,756x = 12,471,443,389.44
  5. Step 5: Solve for x
    x = 12,471,443,389.44/141,756
  6. Step 6: Final answer
    x = 87,978.24

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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.