Home / 165,995.36-229,071.60-90,542.24

Finding the Fourth Proportional to 165,995.36, 229,071.60 and 90,542.24

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Solution

The fourth proportional to 165,995.36, 229,071.60 and 90,542.24 is: 124,947.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,995.36 : 229,071.60 = 90,542.24 : x
  2. Step 2: Convert to fraction form
    165,995.36/229,071.60 = 90,542.24/x
  3. Step 3: Cross multiply
    165,995.36x = 229,071.60 × 90,542.24
  4. Step 4: Simplify right side
    165,995.36x = 20,740,655,784.38
  5. Step 5: Solve for x
    x = 20,740,655,784.38/165,995.36
  6. Step 6: Final answer
    x = 124,947.20

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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.