Home / 192,239.10-288,013.05-156,987.90

Finding the Fourth Proportional to 192,239.10, 288,013.05 and 156,987.90

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Solution

The fourth proportional to 192,239.10, 288,013.05 and 156,987.90 is: 235,199.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,239.10 : 288,013.05 = 156,987.90 : x
  2. Step 2: Convert to fraction form
    192,239.10/288,013.05 = 156,987.90/x
  3. Step 3: Cross multiply
    192,239.10x = 288,013.05 × 156,987.90
  4. Step 4: Simplify right side
    192,239.10x = 45,214,563,892.10
  5. Step 5: Solve for x
    x = 45,214,563,892.10/192,239.10
  6. Step 6: Final answer
    x = 235,199.62

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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.