Home / 138,027.31-207,041.03-43,264.87

Finding the Fourth Proportional to 138,027.31, 207,041.03 and 43,264.87

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Solution

The fourth proportional to 138,027.31, 207,041.03 and 43,264.87 is: 64,897.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,027.31 : 207,041.03 = 43,264.87 : x
  2. Step 2: Convert to fraction form
    138,027.31/207,041.03 = 43,264.87/x
  3. Step 3: Cross multiply
    138,027.31x = 207,041.03 × 43,264.87
  4. Step 4: Simplify right side
    138,027.31x = 8,957,603,840.54
  5. Step 5: Solve for x
    x = 8,957,603,840.54/138,027.31
  6. Step 6: Final answer
    x = 64,897.33

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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.