Home / 91,350.62-126,086.71-73,130.18

Finding the Fourth Proportional to 91,350.62, 126,086.71 and 73,130.18

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Solution

The fourth proportional to 91,350.62, 126,086.71 and 73,130.18 is: 100,937.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,350.62 : 126,086.71 = 73,130.18 : x
  2. Step 2: Convert to fraction form
    91,350.62/126,086.71 = 73,130.18/x
  3. Step 3: Cross multiply
    91,350.62x = 126,086.71 × 73,130.18
  4. Step 4: Simplify right side
    91,350.62x = 9,220,743,797.91
  5. Step 5: Solve for x
    x = 9,220,743,797.91/91,350.62
  6. Step 6: Final answer
    x = 100,937.94

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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.