Home / 126,213.28-174,169.16-69,624.64

Finding the Fourth Proportional to 126,213.28, 174,169.16 and 69,624.64

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Solution

The fourth proportional to 126,213.28, 174,169.16 and 69,624.64 is: 96,079.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,213.28 : 174,169.16 = 69,624.64 : x
  2. Step 2: Convert to fraction form
    126,213.28/174,169.16 = 69,624.64/x
  3. Step 3: Cross multiply
    126,213.28x = 174,169.16 × 69,624.64
  4. Step 4: Simplify right side
    126,213.28x = 12,126,465,064.10
  5. Step 5: Solve for x
    x = 12,126,465,064.10/126,213.28
  6. Step 6: Final answer
    x = 96,079.15

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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.