Home / 126,301.13-174,291.21-75,287.56

Finding the Fourth Proportional to 126,301.13, 174,291.21 and 75,287.56

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Solution

The fourth proportional to 126,301.13, 174,291.21 and 75,287.56 is: 103,894.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,301.13 : 174,291.21 = 75,287.56 : x
  2. Step 2: Convert to fraction form
    126,301.13/174,291.21 = 75,287.56/x
  3. Step 3: Cross multiply
    126,301.13x = 174,291.21 × 75,287.56
  4. Step 4: Simplify right side
    126,301.13x = 13,121,959,058.89
  5. Step 5: Solve for x
    x = 13,121,959,058.89/126,301.13
  6. Step 6: Final answer
    x = 103,894.23

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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.