Home / 126,869.28-175,079.23-70,280.65

Finding the Fourth Proportional to 126,869.28, 175,079.23 and 70,280.65

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Solution

The fourth proportional to 126,869.28, 175,079.23 and 70,280.65 is: 96,987.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,869.28 : 175,079.23 = 70,280.65 : x
  2. Step 2: Convert to fraction form
    126,869.28/175,079.23 = 70,280.65/x
  3. Step 3: Cross multiply
    126,869.28x = 175,079.23 × 70,280.65
  4. Step 4: Simplify right side
    126,869.28x = 12,304,682,085.90
  5. Step 5: Solve for x
    x = 12,304,682,085.90/126,869.28
  6. Step 6: Final answer
    x = 96,987.09

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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.