Home / 110,512.60-165,659.55-54,306.70

Finding the Fourth Proportional to 110,512.60, 165,659.55 and 54,306.70

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Solution

The fourth proportional to 110,512.60, 165,659.55 and 54,306.70 is: 81,406.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,512.60 : 165,659.55 = 54,306.70 : x
  2. Step 2: Convert to fraction form
    110,512.60/165,659.55 = 54,306.70/x
  3. Step 3: Cross multiply
    110,512.60x = 165,659.55 × 54,306.70
  4. Step 4: Simplify right side
    110,512.60x = 8,996,423,483.99
  5. Step 5: Solve for x
    x = 8,996,423,483.99/110,512.60
  6. Step 6: Final answer
    x = 81,406.31

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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.