Home / 154,351.32-231,914.43-98,215.80

Finding the Fourth Proportional to 154,351.32, 231,914.43 and 98,215.80

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Solution

The fourth proportional to 154,351.32, 231,914.43 and 98,215.80 is: 147,570.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,351.32 : 231,914.43 = 98,215.80 : x
  2. Step 2: Convert to fraction form
    154,351.32/231,914.43 = 98,215.80/x
  3. Step 3: Cross multiply
    154,351.32x = 231,914.43 × 98,215.80
  4. Step 4: Simplify right side
    154,351.32x = 22,777,661,273.99
  5. Step 5: Solve for x
    x = 22,777,661,273.99/154,351.32
  6. Step 6: Final answer
    x = 147,570.24

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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.