Home / 248,431.20-342,824.76-135,253.68

Finding the Fourth Proportional to 248,431.20, 342,824.76 and 135,253.68

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Solution

The fourth proportional to 248,431.20, 342,824.76 and 135,253.68 is: 186,644.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,431.20 : 342,824.76 = 135,253.68 : x
  2. Step 2: Convert to fraction form
    248,431.20/342,824.76 = 135,253.68/x
  3. Step 3: Cross multiply
    248,431.20x = 342,824.76 × 135,253.68
  4. Step 4: Simplify right side
    248,431.20x = 46,368,310,385.12
  5. Step 5: Solve for x
    x = 46,368,310,385.12/248,431.20
  6. Step 6: Final answer
    x = 186,644.47

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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.