Home / 90,214.21-135,284.32-27,012.07

Finding the Fourth Proportional to 90,214.21, 135,284.32 and 27,012.07

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Solution

The fourth proportional to 90,214.21, 135,284.32 and 27,012.07 is: 40,507.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,214.21 : 135,284.32 = 27,012.07 : x
  2. Step 2: Convert to fraction form
    90,214.21/135,284.32 = 27,012.07/x
  3. Step 3: Cross multiply
    90,214.21x = 135,284.32 × 27,012.07
  4. Step 4: Simplify right side
    90,214.21x = 3,654,309,521.74
  5. Step 5: Solve for x
    x = 3,654,309,521.74/90,214.21
  6. Step 6: Final answer
    x = 40,507.03

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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.