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Finding the Fourth Proportional to 98,292.38, 147,251.54 and 50,836.37

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Solution

The fourth proportional to 98,292.38, 147,251.54 and 50,836.37 is: 76,157.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,292.38 : 147,251.54 = 50,836.37 : x
  2. Step 2: Convert to fraction form
    98,292.38/147,251.54 = 50,836.37/x
  3. Step 3: Cross multiply
    98,292.38x = 147,251.54 × 50,836.37
  4. Step 4: Simplify right side
    98,292.38x = 7,485,732,780.07
  5. Step 5: Solve for x
    x = 7,485,732,780.07/98,292.38
  6. Step 6: Final answer
    x = 76,157.82

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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.