Home / 126,016.76-173,903.03-69,428.13

Finding the Fourth Proportional to 126,016.76, 173,903.03 and 69,428.13

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Solution

The fourth proportional to 126,016.76, 173,903.03 and 69,428.13 is: 95,810.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,016.76 : 173,903.03 = 69,428.13 : x
  2. Step 2: Convert to fraction form
    126,016.76/173,903.03 = 69,428.13/x
  3. Step 3: Cross multiply
    126,016.76x = 173,903.03 × 69,428.13
  4. Step 4: Simplify right side
    126,016.76x = 12,073,761,827.09
  5. Step 5: Solve for x
    x = 12,073,761,827.09/126,016.76
  6. Step 6: Final answer
    x = 95,810.77

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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.