Home / 148,769.60-223,024.80-89,542.40

Finding the Fourth Proportional to 148,769.60, 223,024.80 and 89,542.40

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Solution

The fourth proportional to 148,769.60, 223,024.80 and 89,542.40 is: 134,235.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,769.60 : 223,024.80 = 89,542.40 : x
  2. Step 2: Convert to fraction form
    148,769.60/223,024.80 = 89,542.40/x
  3. Step 3: Cross multiply
    148,769.60x = 223,024.80 × 89,542.40
  4. Step 4: Simplify right side
    148,769.60x = 19,970,175,851.52
  5. Step 5: Solve for x
    x = 19,970,175,851.52/148,769.60
  6. Step 6: Final answer
    x = 134,235.60

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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.