Home / 153,934.80-230,902.20-54,207.60

Finding the Fourth Proportional to 153,934.80, 230,902.20 and 54,207.60

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Solution

The fourth proportional to 153,934.80, 230,902.20 and 54,207.60 is: 81,311.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,934.80 : 230,902.20 = 54,207.60 : x
  2. Step 2: Convert to fraction form
    153,934.80/230,902.20 = 54,207.60/x
  3. Step 3: Cross multiply
    153,934.80x = 230,902.20 × 54,207.60
  4. Step 4: Simplify right side
    153,934.80x = 12,516,654,096.72
  5. Step 5: Solve for x
    x = 12,516,654,096.72/153,934.80
  6. Step 6: Final answer
    x = 81,311.40

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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.