Home / 126,377.22-189,565.29-51,480.66

Finding the Fourth Proportional to 126,377.22, 189,565.29 and 51,480.66

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Solution

The fourth proportional to 126,377.22, 189,565.29 and 51,480.66 is: 77,220.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,377.22 : 189,565.29 = 51,480.66 : x
  2. Step 2: Convert to fraction form
    126,377.22/189,565.29 = 51,480.66/x
  3. Step 3: Cross multiply
    126,377.22x = 189,565.29 × 51,480.66
  4. Step 4: Simplify right side
    126,377.22x = 9,758,946,242.29
  5. Step 5: Solve for x
    x = 9,758,946,242.29/126,377.22
  6. Step 6: Final answer
    x = 77,220.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.