Home / 126,842.76-190,247.70-47,946.72

Finding the Fourth Proportional to 126,842.76, 190,247.70 and 47,946.72

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Solution

The fourth proportional to 126,842.76, 190,247.70 and 47,946.72 is: 71,913.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,842.76 : 190,247.70 = 47,946.72 : x
  2. Step 2: Convert to fraction form
    126,842.76/190,247.70 = 47,946.72/x
  3. Step 3: Cross multiply
    126,842.76x = 190,247.70 × 47,946.72
  4. Step 4: Simplify right side
    126,842.76x = 9,121,753,202.54
  5. Step 5: Solve for x
    x = 9,121,753,202.54/126,842.76
  6. Step 6: Final answer
    x = 71,913.87

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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.