Home / 90,199.04-135,282.72-27,870.08

Finding the Fourth Proportional to 90,199.04, 135,282.72 and 27,870.08

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Solution

The fourth proportional to 90,199.04, 135,282.72 and 27,870.08 is: 41,800.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,199.04 : 135,282.72 = 27,870.08 : x
  2. Step 2: Convert to fraction form
    90,199.04/135,282.72 = 27,870.08/x
  3. Step 3: Cross multiply
    90,199.04x = 135,282.72 × 27,870.08
  4. Step 4: Simplify right side
    90,199.04x = 3,770,340,229.02
  5. Step 5: Solve for x
    x = 3,770,340,229.02/90,199.04
  6. Step 6: Final answer
    x = 41,800.23

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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.