Home / 90,179.06-135,288.03-27,004.19

Finding the Fourth Proportional to 90,179.06, 135,288.03 and 27,004.19

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Solution

The fourth proportional to 90,179.06, 135,288.03 and 27,004.19 is: 40,512.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,179.06 : 135,288.03 = 27,004.19 : x
  2. Step 2: Convert to fraction form
    90,179.06/135,288.03 = 27,004.19/x
  3. Step 3: Cross multiply
    90,179.06x = 135,288.03 × 27,004.19
  4. Step 4: Simplify right side
    90,179.06x = 3,653,343,666.85
  5. Step 5: Solve for x
    x = 3,653,343,666.85/90,179.06
  6. Step 6: Final answer
    x = 40,512.11

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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.