Home / 117,425.60-161,793.28-79,634.24

Finding the Fourth Proportional to 117,425.60, 161,793.28 and 79,634.24

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Solution

The fourth proportional to 117,425.60, 161,793.28 and 79,634.24 is: 109,722.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,425.60 : 161,793.28 = 79,634.24 : x
  2. Step 2: Convert to fraction form
    117,425.60/161,793.28 = 79,634.24/x
  3. Step 3: Cross multiply
    117,425.60x = 161,793.28 × 79,634.24
  4. Step 4: Simplify right side
    117,425.60x = 12,884,284,889.91
  5. Step 5: Solve for x
    x = 12,884,284,889.91/117,425.60
  6. Step 6: Final answer
    x = 109,722.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.