Home / 193,462.40-266,976.64-108,579.20

Finding the Fourth Proportional to 193,462.40, 266,976.64 and 108,579.20

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Solution

The fourth proportional to 193,462.40, 266,976.64 and 108,579.20 is: 149,838.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,462.40 : 266,976.64 = 108,579.20 : x
  2. Step 2: Convert to fraction form
    193,462.40/266,976.64 = 108,579.20/x
  3. Step 3: Cross multiply
    193,462.40x = 266,976.64 × 108,579.20
  4. Step 4: Simplify right side
    193,462.40x = 28,988,109,989.89
  5. Step 5: Solve for x
    x = 28,988,109,989.89/193,462.40
  6. Step 6: Final answer
    x = 149,838.47

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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.