Home / 91,449.47-126,205.17-51,160.83

Finding the Fourth Proportional to 91,449.47, 126,205.17 and 51,160.83

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Solution

The fourth proportional to 91,449.47, 126,205.17 and 51,160.83 is: 70,604.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,449.47 : 126,205.17 = 51,160.83 : x
  2. Step 2: Convert to fraction form
    91,449.47/126,205.17 = 51,160.83/x
  3. Step 3: Cross multiply
    91,449.47x = 126,205.17 × 51,160.83
  4. Step 4: Simplify right side
    91,449.47x = 6,456,761,247.49
  5. Step 5: Solve for x
    x = 6,456,761,247.49/91,449.47
  6. Step 6: Final answer
    x = 70,604.69

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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.