Home / 193,490.47-290,318.87-100,061.83

Finding the Fourth Proportional to 193,490.47, 290,318.87 and 100,061.83

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Solution

The fourth proportional to 193,490.47, 290,318.87 and 100,061.83 is: 150,135.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,490.47 : 290,318.87 = 100,061.83 : x
  2. Step 2: Convert to fraction form
    193,490.47/290,318.87 = 100,061.83/x
  3. Step 3: Cross multiply
    193,490.47x = 290,318.87 × 100,061.83
  4. Step 4: Simplify right side
    193,490.47x = 29,049,837,415.73
  5. Step 5: Solve for x
    x = 29,049,837,415.73/193,490.47
  6. Step 6: Final answer
    x = 150,135.75

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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.