Home / 204,002.90-306,004.35-156,763.70

Finding the Fourth Proportional to 204,002.90, 306,004.35 and 156,763.70

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Solution

The fourth proportional to 204,002.90, 306,004.35 and 156,763.70 is: 235,145.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,002.90 : 306,004.35 = 156,763.70 : x
  2. Step 2: Convert to fraction form
    204,002.90/306,004.35 = 156,763.70/x
  3. Step 3: Cross multiply
    204,002.90x = 306,004.35 × 156,763.70
  4. Step 4: Simplify right side
    204,002.90x = 47,970,374,122.10
  5. Step 5: Solve for x
    x = 47,970,374,122.10/204,002.90
  6. Step 6: Final answer
    x = 235,145.55

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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.