Home / 90,923.09-136,381.45-27,740.66

Finding the Fourth Proportional to 90,923.09, 136,381.45 and 27,740.66

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Solution

The fourth proportional to 90,923.09, 136,381.45 and 27,740.66 is: 41,610.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,923.09 : 136,381.45 = 27,740.66 : x
  2. Step 2: Convert to fraction form
    90,923.09/136,381.45 = 27,740.66/x
  3. Step 3: Cross multiply
    90,923.09x = 136,381.45 × 27,740.66
  4. Step 4: Simplify right side
    90,923.09x = 3,783,311,296.05
  5. Step 5: Solve for x
    x = 3,783,311,296.05/90,923.09
  6. Step 6: Final answer
    x = 41,610.02

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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.