Home / 165,754.20-248,740.20-90,926.76

Finding the Fourth Proportional to 165,754.20, 248,740.20 and 90,926.76

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Solution

The fourth proportional to 165,754.20, 248,740.20 and 90,926.76 is: 136,449.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,754.20 : 248,740.20 = 90,926.76 : x
  2. Step 2: Convert to fraction form
    165,754.20/248,740.20 = 90,926.76/x
  3. Step 3: Cross multiply
    165,754.20x = 248,740.20 × 90,926.76
  4. Step 4: Simplify right side
    165,754.20x = 22,617,140,467.75
  5. Step 5: Solve for x
    x = 22,617,140,467.75/165,754.20
  6. Step 6: Final answer
    x = 136,449.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.