Home / 134,205.17-185,207.28-73,780.43

Finding the Fourth Proportional to 134,205.17, 185,207.28 and 73,780.43

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Solution

The fourth proportional to 134,205.17, 185,207.28 and 73,780.43 is: 101,819.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,205.17 : 185,207.28 = 73,780.43 : x
  2. Step 2: Convert to fraction form
    134,205.17/185,207.28 = 73,780.43/x
  3. Step 3: Cross multiply
    134,205.17x = 185,207.28 × 73,780.43
  4. Step 4: Simplify right side
    134,205.17x = 13,664,672,757.53
  5. Step 5: Solve for x
    x = 13,664,672,757.53/134,205.17
  6. Step 6: Final answer
    x = 101,819.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.