Home / 146,433.15-219,398.98-79,919.95

Finding the Fourth Proportional to 146,433.15, 219,398.98 and 79,919.95

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Solution

The fourth proportional to 146,433.15, 219,398.98 and 79,919.95 is: 119,743.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,433.15 : 219,398.98 = 79,919.95 : x
  2. Step 2: Convert to fraction form
    146,433.15/219,398.98 = 79,919.95/x
  3. Step 3: Cross multiply
    146,433.15x = 219,398.98 × 79,919.95
  4. Step 4: Simplify right side
    146,433.15x = 17,534,355,511.65
  5. Step 5: Solve for x
    x = 17,534,355,511.65/146,433.15
  6. Step 6: Final answer
    x = 119,743.07

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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.