Home / 165,461.28-228,335.52-90,010.08

Finding the Fourth Proportional to 165,461.28, 228,335.52 and 90,010.08

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Solution

The fourth proportional to 165,461.28, 228,335.52 and 90,010.08 is: 124,213.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,461.28 : 228,335.52 = 90,010.08 : x
  2. Step 2: Convert to fraction form
    165,461.28/228,335.52 = 90,010.08/x
  3. Step 3: Cross multiply
    165,461.28x = 228,335.52 × 90,010.08
  4. Step 4: Simplify right side
    165,461.28x = 20,552,498,422.04
  5. Step 5: Solve for x
    x = 20,552,498,422.04/165,461.28
  6. Step 6: Final answer
    x = 124,213.34

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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.