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Finding the Fourth Proportional to 91,595.53, 137,214.42 and 63,127.39

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Solution

The fourth proportional to 91,595.53, 137,214.42 and 63,127.39 is: 94,567.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,595.53 : 137,214.42 = 63,127.39 : x
  2. Step 2: Convert to fraction form
    91,595.53/137,214.42 = 63,127.39/x
  3. Step 3: Cross multiply
    91,595.53x = 137,214.42 × 63,127.39
  4. Step 4: Simplify right side
    91,595.53x = 8,661,988,204.96
  5. Step 5: Solve for x
    x = 8,661,988,204.96/91,595.53
  6. Step 6: Final answer
    x = 94,567.80

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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.