Home / 91,349.62-126,085.33-73,129.18

Finding the Fourth Proportional to 91,349.62, 126,085.33 and 73,129.18

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Solution

The fourth proportional to 91,349.62, 126,085.33 and 73,129.18 is: 100,936.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,349.62 : 126,085.33 = 73,129.18 : x
  2. Step 2: Convert to fraction form
    91,349.62/126,085.33 = 73,129.18/x
  3. Step 3: Cross multiply
    91,349.62x = 126,085.33 × 73,129.18
  4. Step 4: Simplify right side
    91,349.62x = 9,220,517,011.21
  5. Step 5: Solve for x
    x = 9,220,517,011.21/91,349.62
  6. Step 6: Final answer
    x = 100,936.56

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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.