Home / 254,765.18-382,148.68-77,273.72

Finding the Fourth Proportional to 254,765.18, 382,148.68 and 77,273.72

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Solution

The fourth proportional to 254,765.18, 382,148.68 and 77,273.72 is: 115,910.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,765.18 : 382,148.68 = 77,273.72 : x
  2. Step 2: Convert to fraction form
    254,765.18/382,148.68 = 77,273.72/x
  3. Step 3: Cross multiply
    254,765.18x = 382,148.68 × 77,273.72
  4. Step 4: Simplify right side
    254,765.18x = 29,530,050,096.69
  5. Step 5: Solve for x
    x = 29,530,050,096.69/254,765.18
  6. Step 6: Final answer
    x = 115,910.86

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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.