Home / 148,890.80-223,276.80-49,023.20

Finding the Fourth Proportional to 148,890.80, 223,276.80 and 49,023.20

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Solution

The fourth proportional to 148,890.80, 223,276.80 and 49,023.20 is: 73,515.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,890.80 : 223,276.80 = 49,023.20 : x
  2. Step 2: Convert to fraction form
    148,890.80/223,276.80 = 49,023.20/x
  3. Step 3: Cross multiply
    148,890.80x = 223,276.80 × 49,023.20
  4. Step 4: Simplify right side
    148,890.80x = 10,945,743,221.76
  5. Step 5: Solve for x
    x = 10,945,743,221.76/148,890.80
  6. Step 6: Final answer
    x = 73,515.24

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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.