Home / 132,102.78-198,244.53-53,223.18

Finding the Fourth Proportional to 132,102.78, 198,244.53 and 53,223.18

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Solution

The fourth proportional to 132,102.78, 198,244.53 and 53,223.18 is: 79,871.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,102.78 : 198,244.53 = 53,223.18 : x
  2. Step 2: Convert to fraction form
    132,102.78/198,244.53 = 53,223.18/x
  3. Step 3: Cross multiply
    132,102.78x = 198,244.53 × 53,223.18
  4. Step 4: Simplify right side
    132,102.78x = 10,551,204,304.21
  5. Step 5: Solve for x
    x = 10,551,204,304.21/132,102.78
  6. Step 6: Final answer
    x = 79,871.18

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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.