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Finding the Fourth Proportional to 129,339.84, 193,944 and 59,159

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Solution

The fourth proportional to 129,339.84, 193,944 and 59,159 is: 88,708.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,339.84 : 193,944 = 59,159 : x
  2. Step 2: Convert to fraction form
    129,339.84/193,944 = 59,159/x
  3. Step 3: Cross multiply
    129,339.84x = 193,944 × 59,159
  4. Step 4: Simplify right side
    129,339.84x = 11,473,533,096
  5. Step 5: Solve for x
    x = 11,473,533,096/129,339.84
  6. Step 6: Final answer
    x = 88,708.42

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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.