Home / 153,590.48-229,957.56-78,549.20

Finding the Fourth Proportional to 153,590.48, 229,957.56 and 78,549.20

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Solution

The fourth proportional to 153,590.48, 229,957.56 and 78,549.20 is: 117,604.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,590.48 : 229,957.56 = 78,549.20 : x
  2. Step 2: Convert to fraction form
    153,590.48/229,957.56 = 78,549.20/x
  3. Step 3: Cross multiply
    153,590.48x = 229,957.56 × 78,549.20
  4. Step 4: Simplify right side
    153,590.48x = 18,062,982,371.95
  5. Step 5: Solve for x
    x = 18,062,982,371.95/153,590.48
  6. Step 6: Final answer
    x = 117,604.83

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1.5x scale

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.