Home / 136,291.43-188,082.14-75,860.77

Finding the Fourth Proportional to 136,291.43, 188,082.14 and 75,860.77

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Solution

The fourth proportional to 136,291.43, 188,082.14 and 75,860.77 is: 104,687.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,291.43 : 188,082.14 = 75,860.77 : x
  2. Step 2: Convert to fraction form
    136,291.43/188,082.14 = 75,860.77/x
  3. Step 3: Cross multiply
    136,291.43x = 188,082.14 × 75,860.77
  4. Step 4: Simplify right side
    136,291.43x = 14,268,054,643.93
  5. Step 5: Solve for x
    x = 14,268,054,643.93/136,291.43
  6. Step 6: Final answer
    x = 104,687.84

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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.