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Finding the Fourth Proportional to 133,956.84, 200,925.54 and 54,000.12

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Solution

The fourth proportional to 133,956.84, 200,925.54 and 54,000.12 is: 80,996.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,956.84 : 200,925.54 = 54,000.12 : x
  2. Step 2: Convert to fraction form
    133,956.84/200,925.54 = 54,000.12/x
  3. Step 3: Cross multiply
    133,956.84x = 200,925.54 × 54,000.12
  4. Step 4: Simplify right side
    133,956.84x = 10,850,003,271.06
  5. Step 5: Solve for x
    x = 10,850,003,271.06/133,956.84
  6. Step 6: Final answer
    x = 80,996.26

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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.