Home / 149,600.37-206,423.06-89,169.87

Finding the Fourth Proportional to 149,600.37, 206,423.06 and 89,169.87

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Solution

The fourth proportional to 149,600.37, 206,423.06 and 89,169.87 is: 123,039.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,600.37 : 206,423.06 = 89,169.87 : x
  2. Step 2: Convert to fraction form
    149,600.37/206,423.06 = 89,169.87/x
  3. Step 3: Cross multiply
    149,600.37x = 206,423.06 × 89,169.87
  4. Step 4: Simplify right side
    149,600.37x = 18,406,716,979.35
  5. Step 5: Solve for x
    x = 18,406,716,979.35/149,600.37
  6. Step 6: Final answer
    x = 123,039.25

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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.