Home / 138,567.23-207,851.28-38,726.77

Finding the Fourth Proportional to 138,567.23, 207,851.28 and 38,726.77

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Solution

The fourth proportional to 138,567.23, 207,851.28 and 38,726.77 is: 58,090.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,567.23 : 207,851.28 = 38,726.77 : x
  2. Step 2: Convert to fraction form
    138,567.23/207,851.28 = 38,726.77/x
  3. Step 3: Cross multiply
    138,567.23x = 207,851.28 × 38,726.77
  4. Step 4: Simplify right side
    138,567.23x = 8,049,407,481.88
  5. Step 5: Solve for x
    x = 8,049,407,481.88/138,567.23
  6. Step 6: Final answer
    x = 58,090.27

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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.