Home / 168,402.04-252,432.15-143,822.89

Finding the Fourth Proportional to 168,402.04, 252,432.15 and 143,822.89

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Solution

The fourth proportional to 168,402.04, 252,432.15 and 143,822.89 is: 215,588.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,402.04 : 252,432.15 = 143,822.89 : x
  2. Step 2: Convert to fraction form
    168,402.04/252,432.15 = 143,822.89/x
  3. Step 3: Cross multiply
    168,402.04x = 252,432.15 × 143,822.89
  4. Step 4: Simplify right side
    168,402.04x = 36,305,521,118.12
  5. Step 5: Solve for x
    x = 36,305,521,118.12/168,402.04
  6. Step 6: Final answer
    x = 215,588.37

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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.