Home / 148,971.76-223,387.39-54,135.24

Finding the Fourth Proportional to 148,971.76, 223,387.39 and 54,135.24

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Solution

The fourth proportional to 148,971.76, 223,387.39 and 54,135.24 is: 81,177.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,971.76 : 223,387.39 = 54,135.24 : x
  2. Step 2: Convert to fraction form
    148,971.76/223,387.39 = 54,135.24/x
  3. Step 3: Cross multiply
    148,971.76x = 223,387.39 × 54,135.24
  4. Step 4: Simplify right side
    148,971.76x = 12,093,128,853.69
  5. Step 5: Solve for x
    x = 12,093,128,853.69/148,971.76
  6. Step 6: Final answer
    x = 81,177.33

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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.