Home / 195,280.40-292,920.60-115,446.80

Finding the Fourth Proportional to 195,280.40, 292,920.60 and 115,446.80

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Solution

The fourth proportional to 195,280.40, 292,920.60 and 115,446.80 is: 173,170.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,280.40 : 292,920.60 = 115,446.80 : x
  2. Step 2: Convert to fraction form
    195,280.40/292,920.60 = 115,446.80/x
  3. Step 3: Cross multiply
    195,280.40x = 292,920.60 × 115,446.80
  4. Step 4: Simplify right side
    195,280.40x = 33,816,745,924.08
  5. Step 5: Solve for x
    x = 33,816,745,924.08/195,280.40
  6. Step 6: Final answer
    x = 173,170.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.