Home / 126,960.40-190,442.48-48,053.44

Finding the Fourth Proportional to 126,960.40, 190,442.48 and 48,053.44

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Solution

The fourth proportional to 126,960.40, 190,442.48 and 48,053.44 is: 72,080.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,960.40 : 190,442.48 = 48,053.44 : x
  2. Step 2: Convert to fraction form
    126,960.40/190,442.48 = 48,053.44/x
  3. Step 3: Cross multiply
    126,960.40x = 190,442.48 × 48,053.44
  4. Step 4: Simplify right side
    126,960.40x = 9,151,416,286.13
  5. Step 5: Solve for x
    x = 9,151,416,286.13/126,960.40
  6. Step 6: Final answer
    x = 72,080.87

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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.