Home / 138,650.33-207,887.34-58,646.46

Finding the Fourth Proportional to 138,650.33, 207,887.34 and 58,646.46

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Solution

The fourth proportional to 138,650.33, 207,887.34 and 58,646.46 is: 87,932.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,650.33 : 207,887.34 = 58,646.46 : x
  2. Step 2: Convert to fraction form
    138,650.33/207,887.34 = 58,646.46/x
  3. Step 3: Cross multiply
    138,650.33x = 207,887.34 × 58,646.46
  4. Step 4: Simplify right side
    138,650.33x = 12,191,855,320.44
  5. Step 5: Solve for x
    x = 12,191,855,320.44/138,650.33
  6. Step 6: Final answer
    x = 87,932.39

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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.