Home / 90,092.07-135,138.06-36,809.19

Finding the Fourth Proportional to 90,092.07, 135,138.06 and 36,809.19

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Solution

The fourth proportional to 90,092.07, 135,138.06 and 36,809.19 is: 55,213.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,092.07 : 135,138.06 = 36,809.19 : x
  2. Step 2: Convert to fraction form
    90,092.07/135,138.06 = 36,809.19/x
  3. Step 3: Cross multiply
    90,092.07x = 135,138.06 × 36,809.19
  4. Step 4: Simplify right side
    90,092.07x = 4,974,322,526.77
  5. Step 5: Solve for x
    x = 4,974,322,526.77/90,092.07
  6. Step 6: Final answer
    x = 55,213.77

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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.