Home / 154,421.70-231,632.55-147,204.60

Finding the Fourth Proportional to 154,421.70, 231,632.55 and 147,204.60

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Solution

The fourth proportional to 154,421.70, 231,632.55 and 147,204.60 is: 220,806.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,421.70 : 231,632.55 = 147,204.60 : x
  2. Step 2: Convert to fraction form
    154,421.70/231,632.55 = 147,204.60/x
  3. Step 3: Cross multiply
    154,421.70x = 231,632.55 × 147,204.60
  4. Step 4: Simplify right side
    154,421.70x = 34,097,376,869.73
  5. Step 5: Solve for x
    x = 34,097,376,869.73/154,421.70
  6. Step 6: Final answer
    x = 220,806.90

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1.5x scale

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.