Home / 91,069.88-136,522.13-31,873.26

Finding the Fourth Proportional to 91,069.88, 136,522.13 and 31,873.26

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Solution

The fourth proportional to 91,069.88, 136,522.13 and 31,873.26 is: 47,780.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,069.88 : 136,522.13 = 31,873.26 : x
  2. Step 2: Convert to fraction form
    91,069.88/136,522.13 = 31,873.26/x
  3. Step 3: Cross multiply
    91,069.88x = 136,522.13 × 31,873.26
  4. Step 4: Simplify right side
    91,069.88x = 4,351,405,185.88
  5. Step 5: Solve for x
    x = 4,351,405,185.88/91,069.88
  6. Step 6: Final answer
    x = 47,780.95

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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.