Home / 146,709.78-202,448.33-89,342.74

Finding the Fourth Proportional to 146,709.78, 202,448.33 and 89,342.74

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Solution

The fourth proportional to 146,709.78, 202,448.33 and 89,342.74 is: 123,286.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,709.78 : 202,448.33 = 89,342.74 : x
  2. Step 2: Convert to fraction form
    146,709.78/202,448.33 = 89,342.74/x
  3. Step 3: Cross multiply
    146,709.78x = 202,448.33 × 89,342.74
  4. Step 4: Simplify right side
    146,709.78x = 18,087,288,987.04
  5. Step 5: Solve for x
    x = 18,087,288,987.04/146,709.78
  6. Step 6: Final answer
    x = 123,286.19

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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.