Home / 153,401.92-229,670.28-81,191.24

Finding the Fourth Proportional to 153,401.92, 229,670.28 and 81,191.24

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Solution

The fourth proportional to 153,401.92, 229,670.28 and 81,191.24 is: 121,557.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,401.92 : 229,670.28 = 81,191.24 : x
  2. Step 2: Convert to fraction form
    153,401.92/229,670.28 = 81,191.24/x
  3. Step 3: Cross multiply
    153,401.92x = 229,670.28 × 81,191.24
  4. Step 4: Simplify right side
    153,401.92x = 18,647,214,824.35
  5. Step 5: Solve for x
    x = 18,647,214,824.35/153,401.92
  6. Step 6: Final answer
    x = 121,557.90

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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.