Home / 136,166.59-187,907.19-75,735.93

Finding the Fourth Proportional to 136,166.59, 187,907.19 and 75,735.93

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Solution

The fourth proportional to 136,166.59, 187,907.19 and 75,735.93 is: 104,514.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,166.59 : 187,907.19 = 75,735.93 : x
  2. Step 2: Convert to fraction form
    136,166.59/187,907.19 = 75,735.93/x
  3. Step 3: Cross multiply
    136,166.59x = 187,907.19 × 75,735.93
  4. Step 4: Simplify right side
    136,166.59x = 14,231,325,578.02
  5. Step 5: Solve for x
    x = 14,231,325,578.02/136,166.59
  6. Step 6: Final answer
    x = 104,514.08

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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.