Home / 178,791.24-268,219.68-85,297

Finding the Fourth Proportional to 178,791.24, 268,219.68 and 85,297

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Solution

The fourth proportional to 178,791.24, 268,219.68 and 85,297 is: 127,961.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,791.24 : 268,219.68 = 85,297 : x
  2. Step 2: Convert to fraction form
    178,791.24/268,219.68 = 85,297/x
  3. Step 3: Cross multiply
    178,791.24x = 268,219.68 × 85,297
  4. Step 4: Simplify right side
    178,791.24x = 22,878,334,044.96
  5. Step 5: Solve for x
    x = 22,878,334,044.96/178,791.24
  6. Step 6: Final answer
    x = 127,961.16

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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.