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Finding the Fourth Proportional to 91,594.53, 137,212.92 and 63,126.39

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Solution

The fourth proportional to 91,594.53, 137,212.92 and 63,126.39 is: 94,566.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,594.53 : 137,212.92 = 63,126.39 : x
  2. Step 2: Convert to fraction form
    91,594.53/137,212.92 = 63,126.39/x
  3. Step 3: Cross multiply
    91,594.53x = 137,212.92 × 63,126.39
  4. Step 4: Simplify right side
    91,594.53x = 8,661,756,300.96
  5. Step 5: Solve for x
    x = 8,661,756,300.96/91,594.53
  6. Step 6: Final answer
    x = 94,566.31

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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.