Home / 150,434.31-207,568.68-89,153.51

Finding the Fourth Proportional to 150,434.31, 207,568.68 and 89,153.51

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Solution

The fourth proportional to 150,434.31, 207,568.68 and 89,153.51 is: 123,013.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,434.31 : 207,568.68 = 89,153.51 : x
  2. Step 2: Convert to fraction form
    150,434.31/207,568.68 = 89,153.51/x
  3. Step 3: Cross multiply
    150,434.31x = 207,568.68 × 89,153.51
  4. Step 4: Simplify right side
    150,434.31x = 18,505,476,183.47
  5. Step 5: Solve for x
    x = 18,505,476,183.47/150,434.31
  6. Step 6: Final answer
    x = 123,013.66

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1.5x scale

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.