Home / 91,426.26-126,179.91-51,142.26

Finding the Fourth Proportional to 91,426.26, 126,179.91 and 51,142.26

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Solution

The fourth proportional to 91,426.26, 126,179.91 and 51,142.26 is: 70,582.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,426.26 : 126,179.91 = 51,142.26 : x
  2. Step 2: Convert to fraction form
    91,426.26/126,179.91 = 51,142.26/x
  3. Step 3: Cross multiply
    91,426.26x = 126,179.91 × 51,142.26
  4. Step 4: Simplify right side
    91,426.26x = 6,453,125,764.00
  5. Step 5: Solve for x
    x = 6,453,125,764.00/91,426.26
  6. Step 6: Final answer
    x = 70,582.85

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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.