Home / 153,496.24-229,819.22-78,454.78

Finding the Fourth Proportional to 153,496.24, 229,819.22 and 78,454.78

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Solution

The fourth proportional to 153,496.24, 229,819.22 and 78,454.78 is: 117,464.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,496.24 : 229,819.22 = 78,454.78 : x
  2. Step 2: Convert to fraction form
    153,496.24/229,819.22 = 78,454.78/x
  3. Step 3: Cross multiply
    153,496.24x = 229,819.22 × 78,454.78
  4. Step 4: Simplify right side
    153,496.24x = 18,030,416,344.87
  5. Step 5: Solve for x
    x = 18,030,416,344.87/153,496.24
  6. Step 6: Final answer
    x = 117,464.87

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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.