Home / 156,938.80-235,408.20-136,202.80

Finding the Fourth Proportional to 156,938.80, 235,408.20 and 136,202.80

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Solution

The fourth proportional to 156,938.80, 235,408.20 and 136,202.80 is: 204,304.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,938.80 : 235,408.20 = 136,202.80 : x
  2. Step 2: Convert to fraction form
    156,938.80/235,408.20 = 136,202.80/x
  3. Step 3: Cross multiply
    156,938.80x = 235,408.20 × 136,202.80
  4. Step 4: Simplify right side
    156,938.80x = 32,063,255,982.96
  5. Step 5: Solve for x
    x = 32,063,255,982.96/156,938.80
  6. Step 6: Final answer
    x = 204,304.20

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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.