Home / 248,078.04-342,340.38-140,657.88

Finding the Fourth Proportional to 248,078.04, 342,340.38 and 140,657.88

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Solution

The fourth proportional to 248,078.04, 342,340.38 and 140,657.88 is: 194,103.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,078.04 : 342,340.38 = 140,657.88 : x
  2. Step 2: Convert to fraction form
    248,078.04/342,340.38 = 140,657.88/x
  3. Step 3: Cross multiply
    248,078.04x = 342,340.38 × 140,657.88
  4. Step 4: Simplify right side
    248,078.04x = 48,152,872,089.19
  5. Step 5: Solve for x
    x = 48,152,872,089.19/248,078.04
  6. Step 6: Final answer
    x = 194,103.73

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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.