Home / 165,707.20-228,760.80-112,273.60

Finding the Fourth Proportional to 165,707.20, 228,760.80 and 112,273.60

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Solution

The fourth proportional to 165,707.20, 228,760.80 and 112,273.60 is: 154,995.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,707.20 : 228,760.80 = 112,273.60 : x
  2. Step 2: Convert to fraction form
    165,707.20/228,760.80 = 112,273.60/x
  3. Step 3: Cross multiply
    165,707.20x = 228,760.80 × 112,273.60
  4. Step 4: Simplify right side
    165,707.20x = 25,683,798,554.88
  5. Step 5: Solve for x
    x = 25,683,798,554.88/165,707.20
  6. Step 6: Final answer
    x = 154,995.07

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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.