Home / 126,470.03-174,564.99-83,480.90

Finding the Fourth Proportional to 126,470.03, 174,564.99 and 83,480.90

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Solution

The fourth proportional to 126,470.03, 174,564.99 and 83,480.90 is: 115,227.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,470.03 : 174,564.99 = 83,480.90 : x
  2. Step 2: Convert to fraction form
    126,470.03/174,564.99 = 83,480.90/x
  3. Step 3: Cross multiply
    126,470.03x = 174,564.99 × 83,480.90
  4. Step 4: Simplify right side
    126,470.03x = 14,572,841,600.87
  5. Step 5: Solve for x
    x = 14,572,841,600.87/126,470.03
  6. Step 6: Final answer
    x = 115,227.63

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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.