Home / 215,549.30-323,124.69-110,135.90

Finding the Fourth Proportional to 215,549.30, 323,124.69 and 110,135.90

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Solution

The fourth proportional to 215,549.30, 323,124.69 and 110,135.90 is: 165,102.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,549.30 : 323,124.69 = 110,135.90 : x
  2. Step 2: Convert to fraction form
    215,549.30/323,124.69 = 110,135.90/x
  3. Step 3: Cross multiply
    215,549.30x = 323,124.69 × 110,135.90
  4. Step 4: Simplify right side
    215,549.30x = 35,587,628,545.37
  5. Step 5: Solve for x
    x = 35,587,628,545.37/215,549.30
  6. Step 6: Final answer
    x = 165,102.04

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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.