Home / 143,550.80-198,100.18-83,124.65

Finding the Fourth Proportional to 143,550.80, 198,100.18 and 83,124.65

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Solution

The fourth proportional to 143,550.80, 198,100.18 and 83,124.65 is: 114,712.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,550.80 : 198,100.18 = 83,124.65 : x
  2. Step 2: Convert to fraction form
    143,550.80/198,100.18 = 83,124.65/x
  3. Step 3: Cross multiply
    143,550.80x = 198,100.18 × 83,124.65
  4. Step 4: Simplify right side
    143,550.80x = 16,467,008,726.59
  5. Step 5: Solve for x
    x = 16,467,008,726.59/143,550.80
  6. Step 6: Final answer
    x = 114,712.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.