Home / 91,449.38-126,203.04-51,163.45

Finding the Fourth Proportional to 91,449.38, 126,203.04 and 51,163.45

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Solution

The fourth proportional to 91,449.38, 126,203.04 and 51,163.45 is: 70,607.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,449.38 : 126,203.04 = 51,163.45 : x
  2. Step 2: Convert to fraction form
    91,449.38/126,203.04 = 51,163.45/x
  3. Step 3: Cross multiply
    91,449.38x = 126,203.04 × 51,163.45
  4. Step 4: Simplify right side
    91,449.38x = 6,456,982,611.38
  5. Step 5: Solve for x
    x = 6,456,982,611.38/91,449.38
  6. Step 6: Final answer
    x = 70,607.18

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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.