Home / 126,309.11-174,306.71-69,720.48

Finding the Fourth Proportional to 126,309.11, 174,306.71 and 69,720.48

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Solution

The fourth proportional to 126,309.11, 174,306.71 and 69,720.48 is: 96,214.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,309.11 : 174,306.71 = 69,720.48 : x
  2. Step 2: Convert to fraction form
    126,309.11/174,306.71 = 69,720.48/x
  3. Step 3: Cross multiply
    126,309.11x = 174,306.71 × 69,720.48
  4. Step 4: Simplify right side
    126,309.11x = 12,152,747,662.72
  5. Step 5: Solve for x
    x = 12,152,747,662.72/126,309.11
  6. Step 6: Final answer
    x = 96,214.34

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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.