Home / 104,776.16-144,491.68-80,864.96

Finding the Fourth Proportional to 104,776.16, 144,491.68 and 80,864.96

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Solution

The fourth proportional to 104,776.16, 144,491.68 and 80,864.96 is: 111,516.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,776.16 : 144,491.68 = 80,864.96 : x
  2. Step 2: Convert to fraction form
    104,776.16/144,491.68 = 80,864.96/x
  3. Step 3: Cross multiply
    104,776.16x = 144,491.68 × 80,864.96
  4. Step 4: Simplify right side
    104,776.16x = 11,684,313,923.53
  5. Step 5: Solve for x
    x = 11,684,313,923.53/104,776.16
  6. Step 6: Final answer
    x = 111,516.91

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1.5x scale

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.