Home / 136,382.06-188,203.43-75,952.69

Finding the Fourth Proportional to 136,382.06, 188,203.43 and 75,952.69

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Solution

The fourth proportional to 136,382.06, 188,203.43 and 75,952.69 is: 104,812.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,382.06 : 188,203.43 = 75,952.69 : x
  2. Step 2: Convert to fraction form
    136,382.06/188,203.43 = 75,952.69/x
  3. Step 3: Cross multiply
    136,382.06x = 188,203.43 × 75,952.69
  4. Step 4: Simplify right side
    136,382.06x = 14,294,556,495.10
  5. Step 5: Solve for x
    x = 14,294,556,495.10/136,382.06
  6. Step 6: Final answer
    x = 104,812.58

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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.