Home / 136,010.16-187,716.29-113,313.16

Finding the Fourth Proportional to 136,010.16, 187,716.29 and 113,313.16

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Solution

The fourth proportional to 136,010.16, 187,716.29 and 113,313.16 is: 156,390.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,010.16 : 187,716.29 = 113,313.16 : x
  2. Step 2: Convert to fraction form
    136,010.16/187,716.29 = 113,313.16/x
  3. Step 3: Cross multiply
    136,010.16x = 187,716.29 × 113,313.16
  4. Step 4: Simplify right side
    136,010.16x = 21,270,726,003.38
  5. Step 5: Solve for x
    x = 21,270,726,003.38/136,010.16
  6. Step 6: Final answer
    x = 156,390.71

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1.5x scale

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.