Home / 154,298.68-231,074.28-106,780.62

Finding the Fourth Proportional to 154,298.68, 231,074.28 and 106,780.62

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Solution

The fourth proportional to 154,298.68, 231,074.28 and 106,780.62 is: 159,912.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,298.68 : 231,074.28 = 106,780.62 : x
  2. Step 2: Convert to fraction form
    154,298.68/231,074.28 = 106,780.62/x
  3. Step 3: Cross multiply
    154,298.68x = 231,074.28 × 106,780.62
  4. Step 4: Simplify right side
    154,298.68x = 24,674,254,884.45
  5. Step 5: Solve for x
    x = 24,674,254,884.45/154,298.68
  6. Step 6: Final answer
    x = 159,912.29

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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.