Home / 148,842.20-223,263.30-89,793.20

Finding the Fourth Proportional to 148,842.20, 223,263.30 and 89,793.20

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Solution

The fourth proportional to 148,842.20, 223,263.30 and 89,793.20 is: 134,689.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,842.20 : 223,263.30 = 89,793.20 : x
  2. Step 2: Convert to fraction form
    148,842.20/223,263.30 = 89,793.20/x
  3. Step 3: Cross multiply
    148,842.20x = 223,263.30 × 89,793.20
  4. Step 4: Simplify right side
    148,842.20x = 20,047,526,149.56
  5. Step 5: Solve for x
    x = 20,047,526,149.56/148,842.20
  6. Step 6: Final answer
    x = 134,689.80

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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.