Home / 146,578.60-202,371.78-90,008.20

Finding the Fourth Proportional to 146,578.60, 202,371.78 and 90,008.20

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Solution

The fourth proportional to 146,578.60, 202,371.78 and 90,008.20 is: 124,268.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,578.60 : 202,371.78 = 90,008.20 : x
  2. Step 2: Convert to fraction form
    146,578.60/202,371.78 = 90,008.20/x
  3. Step 3: Cross multiply
    146,578.60x = 202,371.78 × 90,008.20
  4. Step 4: Simplify right side
    146,578.60x = 18,215,119,648.60
  5. Step 5: Solve for x
    x = 18,215,119,648.60/146,578.60
  6. Step 6: Final answer
    x = 124,268.62

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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.