Home / 248,078.76-342,357.70-142,115.24

Finding the Fourth Proportional to 248,078.76, 342,357.70 and 142,115.24

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Solution

The fourth proportional to 248,078.76, 342,357.70 and 142,115.24 is: 196,124.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,078.76 : 342,357.70 = 142,115.24 : x
  2. Step 2: Convert to fraction form
    248,078.76/342,357.70 = 142,115.24/x
  3. Step 3: Cross multiply
    248,078.76x = 342,357.70 × 142,115.24
  4. Step 4: Simplify right side
    248,078.76x = 48,654,246,701.35
  5. Step 5: Solve for x
    x = 48,654,246,701.35/248,078.76
  6. Step 6: Final answer
    x = 196,124.19

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1.5x scale

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.