Home / 126,936.29-190,414.02-42,696.70

Finding the Fourth Proportional to 126,936.29, 190,414.02 and 42,696.70

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Solution

The fourth proportional to 126,936.29, 190,414.02 and 42,696.70 is: 64,048.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,936.29 : 190,414.02 = 42,696.70 : x
  2. Step 2: Convert to fraction form
    126,936.29/190,414.02 = 42,696.70/x
  3. Step 3: Cross multiply
    126,936.29x = 190,414.02 × 42,696.70
  4. Step 4: Simplify right side
    126,936.29x = 8,130,050,287.73
  5. Step 5: Solve for x
    x = 8,130,050,287.73/126,936.29
  6. Step 6: Final answer
    x = 64,048.27

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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.