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Finding the Fourth Proportional to 133,215.63, 199,921.85 and 63,094.94

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Solution

The fourth proportional to 133,215.63, 199,921.85 and 63,094.94 is: 94,689.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,215.63 : 199,921.85 = 63,094.94 : x
  2. Step 2: Convert to fraction form
    133,215.63/199,921.85 = 63,094.94/x
  3. Step 3: Cross multiply
    133,215.63x = 199,921.85 × 63,094.94
  4. Step 4: Simplify right side
    133,215.63x = 12,614,057,130.44
  5. Step 5: Solve for x
    x = 12,614,057,130.44/133,215.63
  6. Step 6: Final answer
    x = 94,689.02

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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.