Home / 126,926.39-175,102.05-81,595.96

Finding the Fourth Proportional to 126,926.39, 175,102.05 and 81,595.96

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Solution

The fourth proportional to 126,926.39, 175,102.05 and 81,595.96 is: 112,566.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,926.39 : 175,102.05 = 81,595.96 : x
  2. Step 2: Convert to fraction form
    126,926.39/175,102.05 = 81,595.96/x
  3. Step 3: Cross multiply
    126,926.39x = 175,102.05 × 81,595.96
  4. Step 4: Simplify right side
    126,926.39x = 14,287,619,735.95
  5. Step 5: Solve for x
    x = 14,287,619,735.95/126,926.39
  6. Step 6: Final answer
    x = 112,566.18

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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.