Home / 84,146.26-126,134.22-54,582.88

Finding the Fourth Proportional to 84,146.26, 126,134.22 and 54,582.88

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Solution

The fourth proportional to 84,146.26, 126,134.22 and 54,582.88 is: 81,819.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,146.26 : 126,134.22 = 54,582.88 : x
  2. Step 2: Convert to fraction form
    84,146.26/126,134.22 = 54,582.88/x
  3. Step 3: Cross multiply
    84,146.26x = 126,134.22 × 54,582.88
  4. Step 4: Simplify right side
    84,146.26x = 6,884,768,994.15
  5. Step 5: Solve for x
    x = 6,884,768,994.15/84,146.26
  6. Step 6: Final answer
    x = 81,819.07

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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.