Home / 126,932.58-175,117.68-81,604.26

Finding the Fourth Proportional to 126,932.58, 175,117.68 and 81,604.26

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Solution

The fourth proportional to 126,932.58, 175,117.68 and 81,604.26 is: 112,582.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,932.58 : 175,117.68 = 81,604.26 : x
  2. Step 2: Convert to fraction form
    126,932.58/175,117.68 = 81,604.26/x
  3. Step 3: Cross multiply
    126,932.58x = 175,117.68 × 81,604.26
  4. Step 4: Simplify right side
    126,932.58x = 14,290,348,689.32
  5. Step 5: Solve for x
    x = 14,290,348,689.32/126,932.58
  6. Step 6: Final answer
    x = 112,582.20

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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.