Home / 104,153.11-143,623.79-89,095.61

Finding the Fourth Proportional to 104,153.11, 143,623.79 and 89,095.61

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Solution

The fourth proportional to 104,153.11, 143,623.79 and 89,095.61 is: 122,859.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,153.11 : 143,623.79 = 89,095.61 : x
  2. Step 2: Convert to fraction form
    104,153.11/143,623.79 = 89,095.61/x
  3. Step 3: Cross multiply
    104,153.11x = 143,623.79 × 89,095.61
  4. Step 4: Simplify right side
    104,153.11x = 12,796,249,180.56
  5. Step 5: Solve for x
    x = 12,796,249,180.56/104,153.11
  6. Step 6: Final answer
    x = 122,859.99

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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.