Home / 154,418.90-231,628.35-152,086.10

Finding the Fourth Proportional to 154,418.90, 231,628.35 and 152,086.10

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Solution

The fourth proportional to 154,418.90, 231,628.35 and 152,086.10 is: 228,129.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,418.90 : 231,628.35 = 152,086.10 : x
  2. Step 2: Convert to fraction form
    154,418.90/231,628.35 = 152,086.10/x
  3. Step 3: Cross multiply
    154,418.90x = 231,628.35 × 152,086.10
  4. Step 4: Simplify right side
    154,418.90x = 35,227,452,400.94
  5. Step 5: Solve for x
    x = 35,227,452,400.94/154,418.90
  6. Step 6: Final answer
    x = 228,129.15

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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.