Home / 165,452.10-248,178.15-47,121.90

Finding the Fourth Proportional to 165,452.10, 248,178.15 and 47,121.90

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Solution

The fourth proportional to 165,452.10, 248,178.15 and 47,121.90 is: 70,682.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,452.10 : 248,178.15 = 47,121.90 : x
  2. Step 2: Convert to fraction form
    165,452.10/248,178.15 = 47,121.90/x
  3. Step 3: Cross multiply
    165,452.10x = 248,178.15 × 47,121.90
  4. Step 4: Simplify right side
    165,452.10x = 11,694,625,966.49
  5. Step 5: Solve for x
    x = 11,694,625,966.49/165,452.10
  6. Step 6: Final answer
    x = 70,682.85

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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.