Home / 126,905.70-190,272.15-48,008.10

Finding the Fourth Proportional to 126,905.70, 190,272.15 and 48,008.10

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Solution

The fourth proportional to 126,905.70, 190,272.15 and 48,008.10 is: 71,979.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,905.70 : 190,272.15 = 48,008.10 : x
  2. Step 2: Convert to fraction form
    126,905.70/190,272.15 = 48,008.10/x
  3. Step 3: Cross multiply
    126,905.70x = 190,272.15 × 48,008.10
  4. Step 4: Simplify right side
    126,905.70x = 9,134,604,404.42
  5. Step 5: Solve for x
    x = 9,134,604,404.42/126,905.70
  6. Step 6: Final answer
    x = 71,979.47

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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.