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Finding the Fourth Proportional to 100,052.60, 149,877.30 and 62,497.40

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Solution

The fourth proportional to 100,052.60, 149,877.30 and 62,497.40 is: 93,620.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,052.60 : 149,877.30 = 62,497.40 : x
  2. Step 2: Convert to fraction form
    100,052.60/149,877.30 = 62,497.40/x
  3. Step 3: Cross multiply
    100,052.60x = 149,877.30 × 62,497.40
  4. Step 4: Simplify right side
    100,052.60x = 9,366,941,569.02
  5. Step 5: Solve for x
    x = 9,366,941,569.02/100,052.60
  6. Step 6: Final answer
    x = 93,620.17

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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.