Home / 136,639.59-203,601.01-121,733.97

Finding the Fourth Proportional to 136,639.59, 203,601.01 and 121,733.97

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Solution

The fourth proportional to 136,639.59, 203,601.01 and 121,733.97 is: 181,390.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,639.59 : 203,601.01 = 121,733.97 : x
  2. Step 2: Convert to fraction form
    136,639.59/203,601.01 = 121,733.97/x
  3. Step 3: Cross multiply
    136,639.59x = 203,601.01 × 121,733.97
  4. Step 4: Simplify right side
    136,639.59x = 24,785,158,634.64
  5. Step 5: Solve for x
    x = 24,785,158,634.64/136,639.59
  6. Step 6: Final answer
    x = 181,390.76

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.