Home / 154,438.20-231,657.30-151,813.80

Finding the Fourth Proportional to 154,438.20, 231,657.30 and 151,813.80

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Solution

The fourth proportional to 154,438.20, 231,657.30 and 151,813.80 is: 227,720.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,438.20 : 231,657.30 = 151,813.80 : x
  2. Step 2: Convert to fraction form
    154,438.20/231,657.30 = 151,813.80/x
  3. Step 3: Cross multiply
    154,438.20x = 231,657.30 × 151,813.80
  4. Step 4: Simplify right side
    154,438.20x = 35,168,775,010.74
  5. Step 5: Solve for x
    x = 35,168,775,010.74/154,438.20
  6. Step 6: Final answer
    x = 227,720.70

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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.