Home / 150,699.81-207,976.14-99,623.97

Finding the Fourth Proportional to 150,699.81, 207,976.14 and 99,623.97

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Solution

The fourth proportional to 150,699.81, 207,976.14 and 99,623.97 is: 137,487.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,699.81 : 207,976.14 = 99,623.97 : x
  2. Step 2: Convert to fraction form
    150,699.81/207,976.14 = 99,623.97/x
  3. Step 3: Cross multiply
    150,699.81x = 207,976.14 × 99,623.97
  4. Step 4: Simplify right side
    150,699.81x = 20,719,408,732.08
  5. Step 5: Solve for x
    x = 20,719,408,732.08/150,699.81
  6. Step 6: Final answer
    x = 137,487.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.