Home / 90,975.20-136,444-24,399.50

Finding the Fourth Proportional to 90,975.20, 136,444 and 24,399.50

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Solution

The fourth proportional to 90,975.20, 136,444 and 24,399.50 is: 36,594.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,975.20 : 136,444 = 24,399.50 : x
  2. Step 2: Convert to fraction form
    90,975.20/136,444 = 24,399.50/x
  3. Step 3: Cross multiply
    90,975.20x = 136,444 × 24,399.50
  4. Step 4: Simplify right side
    90,975.20x = 3,329,165,378
  5. Step 5: Solve for x
    x = 3,329,165,378/90,975.20
  6. Step 6: Final answer
    x = 36,594.21

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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.