Home / 178,719.68-268,092.32-54,070.40

Finding the Fourth Proportional to 178,719.68, 268,092.32 and 54,070.40

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Solution

The fourth proportional to 178,719.68, 268,092.32 and 54,070.40 is: 81,109.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,719.68 : 268,092.32 = 54,070.40 : x
  2. Step 2: Convert to fraction form
    178,719.68/268,092.32 = 54,070.40/x
  3. Step 3: Cross multiply
    178,719.68x = 268,092.32 × 54,070.40
  4. Step 4: Simplify right side
    178,719.68x = 14,495,858,979.33
  5. Step 5: Solve for x
    x = 14,495,858,979.33/178,719.68
  6. Step 6: Final answer
    x = 81,109.47

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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.