Home / 138,669.68-208,046.32-58,666.52

Finding the Fourth Proportional to 138,669.68, 208,046.32 and 58,666.52

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Solution

The fourth proportional to 138,669.68, 208,046.32 and 58,666.52 is: 88,017.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,669.68 : 208,046.32 = 58,666.52 : x
  2. Step 2: Convert to fraction form
    138,669.68/208,046.32 = 58,666.52/x
  3. Step 3: Cross multiply
    138,669.68x = 208,046.32 × 58,666.52
  4. Step 4: Simplify right side
    138,669.68x = 12,205,353,593.21
  5. Step 5: Solve for x
    x = 12,205,353,593.21/138,669.68
  6. Step 6: Final answer
    x = 88,017.46

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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.