Home / 148,939.40-223,338.90-54,102.74

Finding the Fourth Proportional to 148,939.40, 223,338.90 and 54,102.74

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Solution

The fourth proportional to 148,939.40, 223,338.90 and 54,102.74 is: 81,128.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,939.40 : 223,338.90 = 54,102.74 : x
  2. Step 2: Convert to fraction form
    148,939.40/223,338.90 = 54,102.74/x
  3. Step 3: Cross multiply
    148,939.40x = 223,338.90 × 54,102.74
  4. Step 4: Simplify right side
    148,939.40x = 12,083,245,321.89
  5. Step 5: Solve for x
    x = 12,083,245,321.89/148,939.40
  6. Step 6: Final answer
    x = 81,128.60

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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.