Home / 217,083.47-299,571.68-121,589.87

Finding the Fourth Proportional to 217,083.47, 299,571.68 and 121,589.87

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Solution

The fourth proportional to 217,083.47, 299,571.68 and 121,589.87 is: 167,792.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,083.47 : 299,571.68 = 121,589.87 : x
  2. Step 2: Convert to fraction form
    217,083.47/299,571.68 = 121,589.87/x
  3. Step 3: Cross multiply
    217,083.47x = 299,571.68 × 121,589.87
  4. Step 4: Simplify right side
    217,083.47x = 36,424,880,433.00
  5. Step 5: Solve for x
    x = 36,424,880,433.00/217,083.47
  6. Step 6: Final answer
    x = 167,792.05

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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.