Home / 248,432.60-342,836.52-135,255.08

Finding the Fourth Proportional to 248,432.60, 342,836.52 and 135,255.08

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Solution

The fourth proportional to 248,432.60, 342,836.52 and 135,255.08 is: 186,651.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,432.60 : 342,836.52 = 135,255.08 : x
  2. Step 2: Convert to fraction form
    248,432.60/342,836.52 = 135,255.08/x
  3. Step 3: Cross multiply
    248,432.60x = 342,836.52 × 135,255.08
  4. Step 4: Simplify right side
    248,432.60x = 46,370,380,939.52
  5. Step 5: Solve for x
    x = 46,370,380,939.52/248,432.60
  6. Step 6: Final answer
    x = 186,651.76

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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.