Home / 178,737.89-246,680.18-103,286.39

Finding the Fourth Proportional to 178,737.89, 246,680.18 and 103,286.39

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Solution

The fourth proportional to 178,737.89, 246,680.18 and 103,286.39 is: 142,547.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,737.89 : 246,680.18 = 103,286.39 : x
  2. Step 2: Convert to fraction form
    178,737.89/246,680.18 = 103,286.39/x
  3. Step 3: Cross multiply
    178,737.89x = 246,680.18 × 103,286.39
  4. Step 4: Simplify right side
    178,737.89x = 25,478,705,882.80
  5. Step 5: Solve for x
    x = 25,478,705,882.80/178,737.89
  6. Step 6: Final answer
    x = 142,547.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.