Home / 126,348.06-174,360.21-69,759.78

Finding the Fourth Proportional to 126,348.06, 174,360.21 and 69,759.78

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Solution

The fourth proportional to 126,348.06, 174,360.21 and 69,759.78 is: 96,268.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,348.06 : 174,360.21 = 69,759.78 : x
  2. Step 2: Convert to fraction form
    126,348.06/174,360.21 = 69,759.78/x
  3. Step 3: Cross multiply
    126,348.06x = 174,360.21 × 69,759.78
  4. Step 4: Simplify right side
    126,348.06x = 12,163,329,890.35
  5. Step 5: Solve for x
    x = 12,163,329,890.35/126,348.06
  6. Step 6: Final answer
    x = 96,268.43

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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.