Home / 248,290.92-342,634.32-140,870.88

Finding the Fourth Proportional to 248,290.92, 342,634.32 and 140,870.88

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Solution

The fourth proportional to 248,290.92, 342,634.32 and 140,870.88 is: 194,397.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,290.92 : 342,634.32 = 140,870.88 : x
  2. Step 2: Convert to fraction form
    248,290.92/342,634.32 = 140,870.88/x
  3. Step 3: Cross multiply
    248,290.92x = 342,634.32 × 140,870.88
  4. Step 4: Simplify right side
    248,290.92x = 48,267,198,176.60
  5. Step 5: Solve for x
    x = 48,267,198,176.60/248,290.92
  6. Step 6: Final answer
    x = 194,397.76

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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.