Home / 126,470.78-174,566.03-83,481.65

Finding the Fourth Proportional to 126,470.78, 174,566.03 and 83,481.65

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Solution

The fourth proportional to 126,470.78, 174,566.03 and 83,481.65 is: 115,228.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,470.78 : 174,566.03 = 83,481.65 : x
  2. Step 2: Convert to fraction form
    126,470.78/174,566.03 = 83,481.65/x
  3. Step 3: Cross multiply
    126,470.78x = 174,566.03 × 83,481.65
  4. Step 4: Simplify right side
    126,470.78x = 14,573,058,928.11
  5. Step 5: Solve for x
    x = 14,573,058,928.11/126,470.78
  6. Step 6: Final answer
    x = 115,228.67

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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.