Home / 146,278.13-219,499.20-145,162.76

Finding the Fourth Proportional to 146,278.13, 219,499.20 and 145,162.76

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Solution

The fourth proportional to 146,278.13, 219,499.20 and 145,162.76 is: 217,825.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,278.13 : 219,499.20 = 145,162.76 : x
  2. Step 2: Convert to fraction form
    146,278.13/219,499.20 = 145,162.76/x
  3. Step 3: Cross multiply
    146,278.13x = 219,499.20 × 145,162.76
  4. Step 4: Simplify right side
    146,278.13x = 31,863,108,592.30
  5. Step 5: Solve for x
    x = 31,863,108,592.30/146,278.13
  6. Step 6: Final answer
    x = 217,825.52

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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.