Home / 231,343.20-347,043.36-112,925.05

Finding the Fourth Proportional to 231,343.20, 347,043.36 and 112,925.05

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Solution

The fourth proportional to 231,343.20, 347,043.36 and 112,925.05 is: 169,401.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,343.20 : 347,043.36 = 112,925.05 : x
  2. Step 2: Convert to fraction form
    231,343.20/347,043.36 = 112,925.05/x
  3. Step 3: Cross multiply
    231,343.20x = 347,043.36 × 112,925.05
  4. Step 4: Simplify right side
    231,343.20x = 39,189,887,044.95
  5. Step 5: Solve for x
    x = 39,189,887,044.95/231,343.20
  6. Step 6: Final answer
    x = 169,401.51

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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.