Home / 136,728.74-204,797.85-133,382.63

Finding the Fourth Proportional to 136,728.74, 204,797.85 and 133,382.63

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Solution

The fourth proportional to 136,728.74, 204,797.85 and 133,382.63 is: 199,785.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,728.74 : 204,797.85 = 133,382.63 : x
  2. Step 2: Convert to fraction form
    136,728.74/204,797.85 = 133,382.63/x
  3. Step 3: Cross multiply
    136,728.74x = 204,797.85 × 133,382.63
  4. Step 4: Simplify right side
    136,728.74x = 27,316,474,827.36
  5. Step 5: Solve for x
    x = 27,316,474,827.36/136,728.74
  6. Step 6: Final answer
    x = 199,785.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.