Home / 136,174.82-188,055.99-112,213.19

Finding the Fourth Proportional to 136,174.82, 188,055.99 and 112,213.19

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Solution

The fourth proportional to 136,174.82, 188,055.99 and 112,213.19 is: 154,965.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,174.82 : 188,055.99 = 112,213.19 : x
  2. Step 2: Convert to fraction form
    136,174.82/188,055.99 = 112,213.19/x
  3. Step 3: Cross multiply
    136,174.82x = 188,055.99 × 112,213.19
  4. Step 4: Simplify right side
    136,174.82x = 21,102,363,006.65
  5. Step 5: Solve for x
    x = 21,102,363,006.65/136,174.82
  6. Step 6: Final answer
    x = 154,965.24

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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.