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Finding the Fourth Proportional to 133,655.22, 200,482.76 and 124,797.88

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Solution

The fourth proportional to 133,655.22, 200,482.76 and 124,797.88 is: 187,196.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,655.22 : 200,482.76 = 124,797.88 : x
  2. Step 2: Convert to fraction form
    133,655.22/200,482.76 = 124,797.88/x
  3. Step 3: Cross multiply
    133,655.22x = 200,482.76 × 124,797.88
  4. Step 4: Simplify right side
    133,655.22x = 25,019,823,424.55
  5. Step 5: Solve for x
    x = 25,019,823,424.55/133,655.22
  6. Step 6: Final answer
    x = 187,196.75

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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.