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Finding the Fourth Proportional to 133,487.47, 200,121.44 and 62,374.93

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Solution

The fourth proportional to 133,487.47, 200,121.44 and 62,374.93 is: 93,511.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,487.47 : 200,121.44 = 62,374.93 : x
  2. Step 2: Convert to fraction form
    133,487.47/200,121.44 = 62,374.93/x
  3. Step 3: Cross multiply
    133,487.47x = 200,121.44 × 62,374.93
  4. Step 4: Simplify right side
    133,487.47x = 12,482,560,811.50
  5. Step 5: Solve for x
    x = 12,482,560,811.50/133,487.47
  6. Step 6: Final answer
    x = 93,511.10

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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.