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Finding the Fourth Proportional to 141,601.64, 212,402.42 and 58,497.80

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Solution

The fourth proportional to 141,601.64, 212,402.42 and 58,497.80 is: 87,746.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,601.64 : 212,402.42 = 58,497.80 : x
  2. Step 2: Convert to fraction form
    141,601.64/212,402.42 = 58,497.80/x
  3. Step 3: Cross multiply
    141,601.64x = 212,402.42 × 58,497.80
  4. Step 4: Simplify right side
    141,601.64x = 12,425,074,284.68
  5. Step 5: Solve for x
    x = 12,425,074,284.68/141,601.64
  6. Step 6: Final answer
    x = 87,746.68

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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.