Home / 204,014.90-306,022.35-156,775.70

Finding the Fourth Proportional to 204,014.90, 306,022.35 and 156,775.70

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Solution

The fourth proportional to 204,014.90, 306,022.35 and 156,775.70 is: 235,163.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,014.90 : 306,022.35 = 156,775.70 : x
  2. Step 2: Convert to fraction form
    204,014.90/306,022.35 = 156,775.70/x
  3. Step 3: Cross multiply
    204,014.90x = 306,022.35 × 156,775.70
  4. Step 4: Simplify right side
    204,014.90x = 47,976,868,136.90
  5. Step 5: Solve for x
    x = 47,976,868,136.90/204,014.90
  6. Step 6: Final answer
    x = 235,163.55

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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.