Home / 138,534.96-207,548.10-123,592.08

Finding the Fourth Proportional to 138,534.96, 207,548.10 and 123,592.08

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Solution

The fourth proportional to 138,534.96, 207,548.10 and 123,592.08 is: 185,161.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,534.96 : 207,548.10 = 123,592.08 : x
  2. Step 2: Convert to fraction form
    138,534.96/207,548.10 = 123,592.08/x
  3. Step 3: Cross multiply
    138,534.96x = 207,548.10 × 123,592.08
  4. Step 4: Simplify right side
    138,534.96x = 25,651,301,379.05
  5. Step 5: Solve for x
    x = 25,651,301,379.05/138,534.96
  6. Step 6: Final answer
    x = 185,161.21

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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.