Home / 178,757.17-268,135.51-45,637.42

Finding the Fourth Proportional to 178,757.17, 268,135.51 and 45,637.42

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Solution

The fourth proportional to 178,757.17, 268,135.51 and 45,637.42 is: 68,456.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,757.17 : 268,135.51 = 45,637.42 : x
  2. Step 2: Convert to fraction form
    178,757.17/268,135.51 = 45,637.42/x
  3. Step 3: Cross multiply
    178,757.17x = 268,135.51 × 45,637.42
  4. Step 4: Simplify right side
    178,757.17x = 12,237,012,886.78
  5. Step 5: Solve for x
    x = 12,237,012,886.78/178,757.17
  6. Step 6: Final answer
    x = 68,456.07

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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.