Home / 178,816.41-268,335.18-103,971.60

Finding the Fourth Proportional to 178,816.41, 268,335.18 and 103,971.60

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Solution

The fourth proportional to 178,816.41, 268,335.18 and 103,971.60 is: 156,021.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,816.41 : 268,335.18 = 103,971.60 : x
  2. Step 2: Convert to fraction form
    178,816.41/268,335.18 = 103,971.60/x
  3. Step 3: Cross multiply
    178,816.41x = 268,335.18 × 103,971.60
  4. Step 4: Simplify right side
    178,816.41x = 27,899,238,000.89
  5. Step 5: Solve for x
    x = 27,899,238,000.89/178,816.41
  6. Step 6: Final answer
    x = 156,021.69

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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.