Home / 126,951.84-190,219.97-77,047.22

Finding the Fourth Proportional to 126,951.84, 190,219.97 and 77,047.22

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Solution

The fourth proportional to 126,951.84, 190,219.97 and 77,047.22 is: 115,444.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,951.84 : 190,219.97 = 77,047.22 : x
  2. Step 2: Convert to fraction form
    126,951.84/190,219.97 = 77,047.22/x
  3. Step 3: Cross multiply
    126,951.84x = 190,219.97 × 77,047.22
  4. Step 4: Simplify right side
    126,951.84x = 14,655,920,545.15
  5. Step 5: Solve for x
    x = 14,655,920,545.15/126,951.84
  6. Step 6: Final answer
    x = 115,444.73

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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.