Home / 147,186.48-220,781.79-42,005.46

Finding the Fourth Proportional to 147,186.48, 220,781.79 and 42,005.46

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Solution

The fourth proportional to 147,186.48, 220,781.79 and 42,005.46 is: 63,008.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,186.48 : 220,781.79 = 42,005.46 : x
  2. Step 2: Convert to fraction form
    147,186.48/220,781.79 = 42,005.46/x
  3. Step 3: Cross multiply
    147,186.48x = 220,781.79 × 42,005.46
  4. Step 4: Simplify right side
    147,186.48x = 9,274,040,648.57
  5. Step 5: Solve for x
    x = 9,274,040,648.57/147,186.48
  6. Step 6: Final answer
    x = 63,008.78

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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.