Home / 193,178.64-266,599.32-108,301.20

Finding the Fourth Proportional to 193,178.64, 266,599.32 and 108,301.20

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Solution

The fourth proportional to 193,178.64, 266,599.32 and 108,301.20 is: 149,462.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,178.64 : 266,599.32 = 108,301.20 : x
  2. Step 2: Convert to fraction form
    193,178.64/266,599.32 = 108,301.20/x
  3. Step 3: Cross multiply
    193,178.64x = 266,599.32 × 108,301.20
  4. Step 4: Simplify right side
    193,178.64x = 28,873,026,275.18
  5. Step 5: Solve for x
    x = 28,873,026,275.18/193,178.64
  6. Step 6: Final answer
    x = 149,462.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.