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Finding the Fourth Proportional to 129,060, 193,597.29 and 45,954

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Solution

The fourth proportional to 129,060, 193,597.29 and 45,954 is: 68,933.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,060 : 193,597.29 = 45,954 : x
  2. Step 2: Convert to fraction form
    129,060/193,597.29 = 45,954/x
  3. Step 3: Cross multiply
    129,060x = 193,597.29 × 45,954
  4. Step 4: Simplify right side
    129,060x = 8,896,569,864.66
  5. Step 5: Solve for x
    x = 8,896,569,864.66/129,060
  6. Step 6: Final answer
    x = 68,933.60

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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.