Home / 231,646.20-347,210.10-131,854.20

Finding the Fourth Proportional to 231,646.20, 347,210.10 and 131,854.20

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Solution

The fourth proportional to 231,646.20, 347,210.10 and 131,854.20 is: 197,633.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,646.20 : 347,210.10 = 131,854.20 : x
  2. Step 2: Convert to fraction form
    231,646.20/347,210.10 = 131,854.20/x
  3. Step 3: Cross multiply
    231,646.20x = 347,210.10 × 131,854.20
  4. Step 4: Simplify right side
    231,646.20x = 45,781,109,967.42
  5. Step 5: Solve for x
    x = 45,781,109,967.42/231,646.20
  6. Step 6: Final answer
    x = 197,633.76

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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.