Home / 126,990.11-175,246.84-69,630.33

Finding the Fourth Proportional to 126,990.11, 175,246.84 and 69,630.33

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Solution

The fourth proportional to 126,990.11, 175,246.84 and 69,630.33 is: 96,090.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,990.11 : 175,246.84 = 69,630.33 : x
  2. Step 2: Convert to fraction form
    126,990.11/175,246.84 = 69,630.33/x
  3. Step 3: Cross multiply
    126,990.11x = 175,246.84 × 69,630.33
  4. Step 4: Simplify right side
    126,990.11x = 12,202,496,044.87
  5. Step 5: Solve for x
    x = 12,202,496,044.87/126,990.11
  6. Step 6: Final answer
    x = 96,090.13

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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.