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Finding the Fourth Proportional to 133,387.68, 199,860 and 93,862.08

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Solution

The fourth proportional to 133,387.68, 199,860 and 93,862.08 is: 140,637.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,387.68 : 199,860 = 93,862.08 : x
  2. Step 2: Convert to fraction form
    133,387.68/199,860 = 93,862.08/x
  3. Step 3: Cross multiply
    133,387.68x = 199,860 × 93,862.08
  4. Step 4: Simplify right side
    133,387.68x = 18,759,275,308.80
  5. Step 5: Solve for x
    x = 18,759,275,308.80/133,387.68
  6. Step 6: Final answer
    x = 140,637.24

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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.