Home / 138,212.08-207,295.00-38,382.36

Finding the Fourth Proportional to 138,212.08, 207,295.00 and 38,382.36

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Solution

The fourth proportional to 138,212.08, 207,295.00 and 38,382.36 is: 57,567.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,212.08 : 207,295.00 = 38,382.36 : x
  2. Step 2: Convert to fraction form
    138,212.08/207,295.00 = 38,382.36/x
  3. Step 3: Cross multiply
    138,212.08x = 207,295.00 × 38,382.36
  4. Step 4: Simplify right side
    138,212.08x = 7,956,472,191.94
  5. Step 5: Solve for x
    x = 7,956,472,191.94/138,212.08
  6. Step 6: Final answer
    x = 57,567.13

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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.