Home / 154,441.80-231,792.30-75,623.40

Finding the Fourth Proportional to 154,441.80, 231,792.30 and 75,623.40

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Solution

The fourth proportional to 154,441.80, 231,792.30 and 75,623.40 is: 113,498.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,441.80 : 231,792.30 = 75,623.40 : x
  2. Step 2: Convert to fraction form
    154,441.80/231,792.30 = 75,623.40/x
  3. Step 3: Cross multiply
    154,441.80x = 231,792.30 × 75,623.40
  4. Step 4: Simplify right side
    154,441.80x = 17,528,921,819.82
  5. Step 5: Solve for x
    x = 17,528,921,819.82/154,441.80
  6. Step 6: Final answer
    x = 113,498.56

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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.