Home / 165,631.04-228,571.36-90,180

Finding the Fourth Proportional to 165,631.04, 228,571.36 and 90,180

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Solution

The fourth proportional to 165,631.04, 228,571.36 and 90,180 is: 124,448.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,631.04 : 228,571.36 = 90,180 : x
  2. Step 2: Convert to fraction form
    165,631.04/228,571.36 = 90,180/x
  3. Step 3: Cross multiply
    165,631.04x = 228,571.36 × 90,180
  4. Step 4: Simplify right side
    165,631.04x = 20,612,565,244.80
  5. Step 5: Solve for x
    x = 20,612,565,244.80/165,631.04
  6. Step 6: Final answer
    x = 124,448.69

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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.