Home / 90,271.26-135,428.52-27,941.76

Finding the Fourth Proportional to 90,271.26, 135,428.52 and 27,941.76

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Solution

The fourth proportional to 90,271.26, 135,428.52 and 27,941.76 is: 41,919.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,271.26 : 135,428.52 = 27,941.76 : x
  2. Step 2: Convert to fraction form
    90,271.26/135,428.52 = 27,941.76/x
  3. Step 3: Cross multiply
    90,271.26x = 135,428.52 × 27,941.76
  4. Step 4: Simplify right side
    90,271.26x = 3,784,111,203.00
  5. Step 5: Solve for x
    x = 3,784,111,203.00/90,271.26
  6. Step 6: Final answer
    x = 41,919.34

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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.