Home / 148,966.20-223,535.70-55,481.40

Finding the Fourth Proportional to 148,966.20, 223,535.70 and 55,481.40

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Solution

The fourth proportional to 148,966.20, 223,535.70 and 55,481.40 is: 83,254.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,966.20 : 223,535.70 = 55,481.40 : x
  2. Step 2: Convert to fraction form
    148,966.20/223,535.70 = 55,481.40/x
  3. Step 3: Cross multiply
    148,966.20x = 223,535.70 × 55,481.40
  4. Step 4: Simplify right side
    148,966.20x = 12,402,073,585.98
  5. Step 5: Solve for x
    x = 12,402,073,585.98/148,966.20
  6. Step 6: Final answer
    x = 83,254.28

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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.