Home / 90,269.76-135,426.27-27,940.26

Finding the Fourth Proportional to 90,269.76, 135,426.27 and 27,940.26

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Solution

The fourth proportional to 90,269.76, 135,426.27 and 27,940.26 is: 41,917.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,269.76 : 135,426.27 = 27,940.26 : x
  2. Step 2: Convert to fraction form
    90,269.76/135,426.27 = 27,940.26/x
  3. Step 3: Cross multiply
    90,269.76x = 135,426.27 × 27,940.26
  4. Step 4: Simplify right side
    90,269.76x = 3,783,845,194.63
  5. Step 5: Solve for x
    x = 3,783,845,194.63/90,269.76
  6. Step 6: Final answer
    x = 41,917.08

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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.