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Finding the Fourth Proportional to 136,548.59, 204,822.88 and 43,061.63

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Solution

The fourth proportional to 136,548.59, 204,822.88 and 43,061.63 is: 64,592.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,548.59 : 204,822.88 = 43,061.63 : x
  2. Step 2: Convert to fraction form
    136,548.59/204,822.88 = 43,061.63/x
  3. Step 3: Cross multiply
    136,548.59x = 204,822.88 × 43,061.63
  4. Step 4: Simplify right side
    136,548.59x = 8,820,005,942.33
  5. Step 5: Solve for x
    x = 8,820,005,942.33/136,548.59
  6. Step 6: Final answer
    x = 64,592.44

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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.