Home / 126,310.11-174,308.09-69,721.48

Finding the Fourth Proportional to 126,310.11, 174,308.09 and 69,721.48

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Solution

The fourth proportional to 126,310.11, 174,308.09 and 69,721.48 is: 96,215.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,310.11 : 174,308.09 = 69,721.48 : x
  2. Step 2: Convert to fraction form
    126,310.11/174,308.09 = 69,721.48/x
  3. Step 3: Cross multiply
    126,310.11x = 174,308.09 × 69,721.48
  4. Step 4: Simplify right side
    126,310.11x = 12,153,018,010.77
  5. Step 5: Solve for x
    x = 12,153,018,010.77/126,310.11
  6. Step 6: Final answer
    x = 96,215.72

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1.5x scale

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.