Home / 165,232.28-228,022.62-89,782.04

Finding the Fourth Proportional to 165,232.28, 228,022.62 and 89,782.04

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Solution

The fourth proportional to 165,232.28, 228,022.62 and 89,782.04 is: 123,900.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,232.28 : 228,022.62 = 89,782.04 : x
  2. Step 2: Convert to fraction form
    165,232.28/228,022.62 = 89,782.04/x
  3. Step 3: Cross multiply
    165,232.28x = 228,022.62 × 89,782.04
  4. Step 4: Simplify right side
    165,232.28x = 20,472,335,989.74
  5. Step 5: Solve for x
    x = 20,472,335,989.74/165,232.28
  6. Step 6: Final answer
    x = 123,900.34

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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.