Home / 188,962.11-260,767.71-104,079.17

Finding the Fourth Proportional to 188,962.11, 260,767.71 and 104,079.17

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Solution

The fourth proportional to 188,962.11, 260,767.71 and 104,079.17 is: 143,629.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,962.11 : 260,767.71 = 104,079.17 : x
  2. Step 2: Convert to fraction form
    188,962.11/260,767.71 = 104,079.17/x
  3. Step 3: Cross multiply
    188,962.11x = 260,767.71 × 104,079.17
  4. Step 4: Simplify right side
    188,962.11x = 27,140,487,471.52
  5. Step 5: Solve for x
    x = 27,140,487,471.52/188,962.11
  6. Step 6: Final answer
    x = 143,629.26

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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.