Home / 126,939.32-175,169.12-69,567.71

Finding the Fourth Proportional to 126,939.32, 175,169.12 and 69,567.71

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Solution

The fourth proportional to 126,939.32, 175,169.12 and 69,567.71 is: 95,999.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,939.32 : 175,169.12 = 69,567.71 : x
  2. Step 2: Convert to fraction form
    126,939.32/175,169.12 = 69,567.71/x
  3. Step 3: Cross multiply
    126,939.32x = 175,169.12 × 69,567.71
  4. Step 4: Simplify right side
    126,939.32x = 12,186,114,541.12
  5. Step 5: Solve for x
    x = 12,186,114,541.12/126,939.32
  6. Step 6: Final answer
    x = 95,999.53

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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.