Home / 91,449.29-126,204.91-51,160.65

Finding the Fourth Proportional to 91,449.29, 126,204.91 and 51,160.65

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Solution

The fourth proportional to 91,449.29, 126,204.91 and 51,160.65 is: 70,604.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,449.29 : 126,204.91 = 51,160.65 : x
  2. Step 2: Convert to fraction form
    91,449.29/126,204.91 = 51,160.65/x
  3. Step 3: Cross multiply
    91,449.29x = 126,204.91 × 51,160.65
  4. Step 4: Simplify right side
    91,449.29x = 6,456,724,915.40
  5. Step 5: Solve for x
    x = 6,456,724,915.40/91,449.29
  6. Step 6: Final answer
    x = 70,604.43

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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.