Home / 146,440.89-219,410.55-79,927.70

Finding the Fourth Proportional to 146,440.89, 219,410.55 and 79,927.70

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Solution

The fourth proportional to 146,440.89, 219,410.55 and 79,927.70 is: 119,754.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,440.89 : 219,410.55 = 79,927.70 : x
  2. Step 2: Convert to fraction form
    146,440.89/219,410.55 = 79,927.70/x
  3. Step 3: Cross multiply
    146,440.89x = 219,410.55 × 79,927.70
  4. Step 4: Simplify right side
    146,440.89x = 17,536,979,520.18
  5. Step 5: Solve for x
    x = 17,536,979,520.18/146,440.89
  6. Step 6: Final answer
    x = 119,754.66

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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.