Home / 90,296.60-135,418.74-27,114.17

Finding the Fourth Proportional to 90,296.60, 135,418.74 and 27,114.17

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Solution

The fourth proportional to 90,296.60, 135,418.74 and 27,114.17 is: 40,663.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,296.60 : 135,418.74 = 27,114.17 : x
  2. Step 2: Convert to fraction form
    90,296.60/135,418.74 = 27,114.17/x
  3. Step 3: Cross multiply
    90,296.60x = 135,418.74 × 27,114.17
  4. Step 4: Simplify right side
    90,296.60x = 3,671,766,060.45
  5. Step 5: Solve for x
    x = 3,671,766,060.45/90,296.60
  6. Step 6: Final answer
    x = 40,663.39

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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.