Home / 106,636.30-159,263.11-96,621.05

Finding the Fourth Proportional to 106,636.30, 159,263.11 and 96,621.05

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Solution

The fourth proportional to 106,636.30, 159,263.11 and 96,621.05 is: 144,305.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,636.30 : 159,263.11 = 96,621.05 : x
  2. Step 2: Convert to fraction form
    106,636.30/159,263.11 = 96,621.05/x
  3. Step 3: Cross multiply
    106,636.30x = 159,263.11 × 96,621.05
  4. Step 4: Simplify right side
    106,636.30x = 15,388,169,550.85
  5. Step 5: Solve for x
    x = 15,388,169,550.85/106,636.30
  6. Step 6: Final answer
    x = 144,305.17

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.