Home / 161,049.87-222,255.90-89,429.94

Finding the Fourth Proportional to 161,049.87, 222,255.90 and 89,429.94

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Solution

The fourth proportional to 161,049.87, 222,255.90 and 89,429.94 is: 123,417.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,049.87 : 222,255.90 = 89,429.94 : x
  2. Step 2: Convert to fraction form
    161,049.87/222,255.90 = 89,429.94/x
  3. Step 3: Cross multiply
    161,049.87x = 222,255.90 × 89,429.94
  4. Step 4: Simplify right side
    161,049.87x = 19,876,331,801.65
  5. Step 5: Solve for x
    x = 19,876,331,801.65/161,049.87
  6. Step 6: Final answer
    x = 123,417.25

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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.