Home / 178,863.36-268,294.48-45,743.64

Finding the Fourth Proportional to 178,863.36, 268,294.48 and 45,743.64

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Solution

The fourth proportional to 178,863.36, 268,294.48 and 45,743.64 is: 68,615.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,863.36 : 268,294.48 = 45,743.64 : x
  2. Step 2: Convert to fraction form
    178,863.36/268,294.48 = 45,743.64/x
  3. Step 3: Cross multiply
    178,863.36x = 268,294.48 × 45,743.64
  4. Step 4: Simplify right side
    178,863.36x = 12,272,766,107.11
  5. Step 5: Solve for x
    x = 12,272,766,107.11/178,863.36
  6. Step 6: Final answer
    x = 68,615.32

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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.