Home / 194,961.60-292,442.40-161,719.20

Finding the Fourth Proportional to 194,961.60, 292,442.40 and 161,719.20

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Solution

The fourth proportional to 194,961.60, 292,442.40 and 161,719.20 is: 242,578.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,961.60 : 292,442.40 = 161,719.20 : x
  2. Step 2: Convert to fraction form
    194,961.60/292,442.40 = 161,719.20/x
  3. Step 3: Cross multiply
    194,961.60x = 292,442.40 × 161,719.20
  4. Step 4: Simplify right side
    194,961.60x = 47,293,550,974.08
  5. Step 5: Solve for x
    x = 47,293,550,974.08/194,961.60
  6. Step 6: Final answer
    x = 242,578.80

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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.