Home / 153,042.75-229,577.36-42,234.75

Finding the Fourth Proportional to 153,042.75, 229,577.36 and 42,234.75

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Solution

The fourth proportional to 153,042.75, 229,577.36 and 42,234.75 is: 63,355.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,042.75 : 229,577.36 = 42,234.75 : x
  2. Step 2: Convert to fraction form
    153,042.75/229,577.36 = 42,234.75/x
  3. Step 3: Cross multiply
    153,042.75x = 229,577.36 × 42,234.75
  4. Step 4: Simplify right side
    153,042.75x = 9,696,142,194.09
  5. Step 5: Solve for x
    x = 9,696,142,194.09/153,042.75
  6. Step 6: Final answer
    x = 63,355.78

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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.