Home / 178,895.55-268,214.40-90,211.62

Finding the Fourth Proportional to 178,895.55, 268,214.40 and 90,211.62

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Solution

The fourth proportional to 178,895.55, 268,214.40 and 90,211.62 is: 135,252.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,895.55 : 268,214.40 = 90,211.62 : x
  2. Step 2: Convert to fraction form
    178,895.55/268,214.40 = 90,211.62/x
  3. Step 3: Cross multiply
    178,895.55x = 268,214.40 × 90,211.62
  4. Step 4: Simplify right side
    178,895.55x = 24,196,055,531.33
  5. Step 5: Solve for x
    x = 24,196,055,531.33/178,895.55
  6. Step 6: Final answer
    x = 135,252.42

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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.