Home / 126,722.40-190,083.60-124,754.10

Finding the Fourth Proportional to 126,722.40, 190,083.60 and 124,754.10

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Solution

The fourth proportional to 126,722.40, 190,083.60 and 124,754.10 is: 187,131.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,722.40 : 190,083.60 = 124,754.10 : x
  2. Step 2: Convert to fraction form
    126,722.40/190,083.60 = 124,754.10/x
  3. Step 3: Cross multiply
    126,722.40x = 190,083.60 × 124,754.10
  4. Step 4: Simplify right side
    126,722.40x = 23,713,708,442.76
  5. Step 5: Solve for x
    x = 23,713,708,442.76/126,722.40
  6. Step 6: Final answer
    x = 187,131.15

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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.