Home / 178,980.02-268,335.39-154,310.66

Finding the Fourth Proportional to 178,980.02, 268,335.39 and 154,310.66

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Solution

The fourth proportional to 178,980.02, 268,335.39 and 154,310.66 is: 231,349.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,980.02 : 268,335.39 = 154,310.66 : x
  2. Step 2: Convert to fraction form
    178,980.02/268,335.39 = 154,310.66/x
  3. Step 3: Cross multiply
    178,980.02x = 268,335.39 × 154,310.66
  4. Step 4: Simplify right side
    178,980.02x = 41,407,011,132.26
  5. Step 5: Solve for x
    x = 41,407,011,132.26/178,980.02
  6. Step 6: Final answer
    x = 231,349.91

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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.