Home / 156,979.40-235,469.10-148,992.20

Finding the Fourth Proportional to 156,979.40, 235,469.10 and 148,992.20

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Solution

The fourth proportional to 156,979.40, 235,469.10 and 148,992.20 is: 223,488.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,979.40 : 235,469.10 = 148,992.20 : x
  2. Step 2: Convert to fraction form
    156,979.40/235,469.10 = 148,992.20/x
  3. Step 3: Cross multiply
    156,979.40x = 235,469.10 × 148,992.20
  4. Step 4: Simplify right side
    156,979.40x = 35,083,059,241.02
  5. Step 5: Solve for x
    x = 35,083,059,241.02/156,979.40
  6. Step 6: Final answer
    x = 223,488.30

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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.