Home / 204,012.40-306,018.60-156,773.20

Finding the Fourth Proportional to 204,012.40, 306,018.60 and 156,773.20

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Solution

The fourth proportional to 204,012.40, 306,018.60 and 156,773.20 is: 235,159.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,012.40 : 306,018.60 = 156,773.20 : x
  2. Step 2: Convert to fraction form
    204,012.40/306,018.60 = 156,773.20/x
  3. Step 3: Cross multiply
    204,012.40x = 306,018.60 × 156,773.20
  4. Step 4: Simplify right side
    204,012.40x = 47,975,515,181.52
  5. Step 5: Solve for x
    x = 47,975,515,181.52/204,012.40
  6. Step 6: Final answer
    x = 235,159.80

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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.