Home / 90,485.96-135,729.98-27,306.63

Finding the Fourth Proportional to 90,485.96, 135,729.98 and 27,306.63

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Solution

The fourth proportional to 90,485.96, 135,729.98 and 27,306.63 is: 40,960.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,485.96 : 135,729.98 = 27,306.63 : x
  2. Step 2: Convert to fraction form
    90,485.96/135,729.98 = 27,306.63/x
  3. Step 3: Cross multiply
    90,485.96x = 135,729.98 × 27,306.63
  4. Step 4: Simplify right side
    90,485.96x = 3,706,327,665.12
  5. Step 5: Solve for x
    x = 3,706,327,665.12/90,485.96
  6. Step 6: Final answer
    x = 40,960.25

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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.