Home / 126,760.18-190,244.22-51,881.05

Finding the Fourth Proportional to 126,760.18, 190,244.22 and 51,881.05

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Solution

The fourth proportional to 126,760.18, 190,244.22 and 51,881.05 is: 77,864.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,760.18 : 190,244.22 = 51,881.05 : x
  2. Step 2: Convert to fraction form
    126,760.18/190,244.22 = 51,881.05/x
  3. Step 3: Cross multiply
    126,760.18x = 190,244.22 × 51,881.05
  4. Step 4: Simplify right side
    126,760.18x = 9,870,069,890.03
  5. Step 5: Solve for x
    x = 9,870,069,890.03/126,760.18
  6. Step 6: Final answer
    x = 77,864.12

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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.