Home / 126,904.14-175,048.26-81,641.04

Finding the Fourth Proportional to 126,904.14, 175,048.26 and 81,641.04

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Solution

The fourth proportional to 126,904.14, 175,048.26 and 81,641.04 is: 112,613.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,904.14 : 175,048.26 = 81,641.04 : x
  2. Step 2: Convert to fraction form
    126,904.14/175,048.26 = 81,641.04/x
  3. Step 3: Cross multiply
    126,904.14x = 175,048.26 × 81,641.04
  4. Step 4: Simplify right side
    126,904.14x = 14,291,121,996.59
  5. Step 5: Solve for x
    x = 14,291,121,996.59/126,904.14
  6. Step 6: Final answer
    x = 112,613.52

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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.