Home / 126,989.16-190,349.82-52,076.04

Finding the Fourth Proportional to 126,989.16, 190,349.82 and 52,076.04

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Solution

The fourth proportional to 126,989.16, 190,349.82 and 52,076.04 is: 78,059.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,989.16 : 190,349.82 = 52,076.04 : x
  2. Step 2: Convert to fraction form
    126,989.16/190,349.82 = 52,076.04/x
  3. Step 3: Cross multiply
    126,989.16x = 190,349.82 × 52,076.04
  4. Step 4: Simplify right side
    126,989.16x = 9,912,664,840.31
  5. Step 5: Solve for x
    x = 9,912,664,840.31/126,989.16
  6. Step 6: Final answer
    x = 78,059.14

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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.