Home / 154,446.30-231,669.45-121,268.70

Finding the Fourth Proportional to 154,446.30, 231,669.45 and 121,268.70

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Solution

The fourth proportional to 154,446.30, 231,669.45 and 121,268.70 is: 181,903.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,446.30 : 231,669.45 = 121,268.70 : x
  2. Step 2: Convert to fraction form
    154,446.30/231,669.45 = 121,268.70/x
  3. Step 3: Cross multiply
    154,446.30x = 231,669.45 × 121,268.70
  4. Step 4: Simplify right side
    154,446.30x = 28,094,253,031.22
  5. Step 5: Solve for x
    x = 28,094,253,031.22/154,446.30
  6. Step 6: Final answer
    x = 181,903.05

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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.