Home / 91,048.96-136,589.59-27,867.68

Finding the Fourth Proportional to 91,048.96, 136,589.59 and 27,867.68

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Solution

The fourth proportional to 91,048.96, 136,589.59 and 27,867.68 is: 41,806.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,048.96 : 136,589.59 = 27,867.68 : x
  2. Step 2: Convert to fraction form
    91,048.96/136,589.59 = 27,867.68/x
  3. Step 3: Cross multiply
    91,048.96x = 136,589.59 × 27,867.68
  4. Step 4: Simplify right side
    91,048.96x = 3,806,435,257.26
  5. Step 5: Solve for x
    x = 3,806,435,257.26/91,048.96
  6. Step 6: Final answer
    x = 41,806.47

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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.