Home / 138,406.26-207,585.85-38,576.39

Finding the Fourth Proportional to 138,406.26, 207,585.85 and 38,576.39

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Solution

The fourth proportional to 138,406.26, 207,585.85 and 38,576.39 is: 57,858.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,406.26 : 207,585.85 = 38,576.39 : x
  2. Step 2: Convert to fraction form
    138,406.26/207,585.85 = 38,576.39/x
  3. Step 3: Cross multiply
    138,406.26x = 207,585.85 × 38,576.39
  4. Step 4: Simplify right side
    138,406.26x = 8,007,913,130.61
  5. Step 5: Solve for x
    x = 8,007,913,130.61/138,406.26
  6. Step 6: Final answer
    x = 57,858.03

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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.