Home / 126,753.46-190,221.75-49,827.90

Finding the Fourth Proportional to 126,753.46, 190,221.75 and 49,827.90

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Solution

The fourth proportional to 126,753.46, 190,221.75 and 49,827.90 is: 74,777.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,753.46 : 190,221.75 = 49,827.90 : x
  2. Step 2: Convert to fraction form
    126,753.46/190,221.75 = 49,827.90/x
  3. Step 3: Cross multiply
    126,753.46x = 190,221.75 × 49,827.90
  4. Step 4: Simplify right side
    126,753.46x = 9,478,350,336.83
  5. Step 5: Solve for x
    x = 9,478,350,336.83/126,753.46
  6. Step 6: Final answer
    x = 74,777.84

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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.