Home / 130,767.50-196,180.42-47,661.50

Finding the Fourth Proportional to 130,767.50, 196,180.42 and 47,661.50

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Solution

The fourth proportional to 130,767.50, 196,180.42 and 47,661.50 is: 71,502.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,767.50 : 196,180.42 = 47,661.50 : x
  2. Step 2: Convert to fraction form
    130,767.50/196,180.42 = 47,661.50/x
  3. Step 3: Cross multiply
    130,767.50x = 196,180.42 × 47,661.50
  4. Step 4: Simplify right side
    130,767.50x = 9,350,253,087.83
  5. Step 5: Solve for x
    x = 9,350,253,087.83/130,767.50
  6. Step 6: Final answer
    x = 71,502.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.