Home / 138,027.12-207,040.74-43,264.69

Finding the Fourth Proportional to 138,027.12, 207,040.74 and 43,264.69

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Solution

The fourth proportional to 138,027.12, 207,040.74 and 43,264.69 is: 64,897.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,027.12 : 207,040.74 = 43,264.69 : x
  2. Step 2: Convert to fraction form
    138,027.12/207,040.74 = 43,264.69/x
  3. Step 3: Cross multiply
    138,027.12x = 207,040.74 × 43,264.69
  4. Step 4: Simplify right side
    138,027.12x = 8,957,553,433.47
  5. Step 5: Solve for x
    x = 8,957,553,433.47/138,027.12
  6. Step 6: Final answer
    x = 64,897.05

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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.