Home / 90,219.83-135,291.74-27,049.01

Finding the Fourth Proportional to 90,219.83, 135,291.74 and 27,049.01

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Solution

The fourth proportional to 90,219.83, 135,291.74 and 27,049.01 is: 40,562.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,219.83 : 135,291.74 = 27,049.01 : x
  2. Step 2: Convert to fraction form
    90,219.83/135,291.74 = 27,049.01/x
  3. Step 3: Cross multiply
    90,219.83x = 135,291.74 × 27,049.01
  4. Step 4: Simplify right side
    90,219.83x = 3,659,506,816.47
  5. Step 5: Solve for x
    x = 3,659,506,816.47/90,219.83
  6. Step 6: Final answer
    x = 40,562.11

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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.