Home / 218,793.10-327,533.55-130,000.90

Finding the Fourth Proportional to 218,793.10, 327,533.55 and 130,000.90

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Solution

The fourth proportional to 218,793.10, 327,533.55 and 130,000.90 is: 194,611.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,793.10 : 327,533.55 = 130,000.90 : x
  2. Step 2: Convert to fraction form
    218,793.10/327,533.55 = 130,000.90/x
  3. Step 3: Cross multiply
    218,793.10x = 327,533.55 × 130,000.90
  4. Step 4: Simplify right side
    218,793.10x = 42,579,656,280.20
  5. Step 5: Solve for x
    x = 42,579,656,280.20/218,793.10
  6. Step 6: Final answer
    x = 194,611.51

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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.