Home / 251,084.10-376,691.76-145,812.72

Finding the Fourth Proportional to 251,084.10, 376,691.76 and 145,812.72

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Solution

The fourth proportional to 251,084.10, 376,691.76 and 145,812.72 is: 218,757.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,084.10 : 376,691.76 = 145,812.72 : x
  2. Step 2: Convert to fraction form
    251,084.10/376,691.76 = 145,812.72/x
  3. Step 3: Cross multiply
    251,084.10x = 376,691.76 × 145,812.72
  4. Step 4: Simplify right side
    251,084.10x = 54,926,450,127.19
  5. Step 5: Solve for x
    x = 54,926,450,127.19/251,084.10
  6. Step 6: Final answer
    x = 218,757.18

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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.