Home / 91,449.57-126,205.31-51,160.92

Finding the Fourth Proportional to 91,449.57, 126,205.31 and 51,160.92

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Solution

The fourth proportional to 91,449.57, 126,205.31 and 51,160.92 is: 70,604.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,449.57 : 126,205.31 = 51,160.92 : x
  2. Step 2: Convert to fraction form
    91,449.57/126,205.31 = 51,160.92/x
  3. Step 3: Cross multiply
    91,449.57x = 126,205.31 × 51,160.92
  4. Step 4: Simplify right side
    91,449.57x = 6,456,780,200.19
  5. Step 5: Solve for x
    x = 6,456,780,200.19/91,449.57
  6. Step 6: Final answer
    x = 70,604.82

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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.