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Finding the Fourth Proportional to 133,653.58, 200,479.52 and 54,767.68

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Solution

The fourth proportional to 133,653.58, 200,479.52 and 54,767.68 is: 82,151.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,653.58 : 200,479.52 = 54,767.68 : x
  2. Step 2: Convert to fraction form
    133,653.58/200,479.52 = 54,767.68/x
  3. Step 3: Cross multiply
    133,653.58x = 200,479.52 × 54,767.68
  4. Step 4: Simplify right side
    133,653.58x = 10,979,798,197.91
  5. Step 5: Solve for x
    x = 10,979,798,197.91/133,653.58
  6. Step 6: Final answer
    x = 82,151.17

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1.5x scale

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.