Home / 126,917.14-175,066.20-81,654.04

Finding the Fourth Proportional to 126,917.14, 175,066.20 and 81,654.04

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Solution

The fourth proportional to 126,917.14, 175,066.20 and 81,654.04 is: 112,631.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,917.14 : 175,066.20 = 81,654.04 : x
  2. Step 2: Convert to fraction form
    126,917.14/175,066.20 = 81,654.04/x
  3. Step 3: Cross multiply
    126,917.14x = 175,066.20 × 81,654.04
  4. Step 4: Simplify right side
    126,917.14x = 14,294,862,497.45
  5. Step 5: Solve for x
    x = 14,294,862,497.45/126,917.14
  6. Step 6: Final answer
    x = 112,631.46

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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.