Home / 80,625.21-120,937.59-21,460.94

Finding the Fourth Proportional to 80,625.21, 120,937.59 and 21,460.94

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Solution

The fourth proportional to 80,625.21, 120,937.59 and 21,460.94 is: 32,191.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,625.21 : 120,937.59 = 21,460.94 : x
  2. Step 2: Convert to fraction form
    80,625.21/120,937.59 = 21,460.94/x
  3. Step 3: Cross multiply
    80,625.21x = 120,937.59 × 21,460.94
  4. Step 4: Simplify right side
    80,625.21x = 2,595,434,362.73
  5. Step 5: Solve for x
    x = 2,595,434,362.73/80,625.21
  6. Step 6: Final answer
    x = 32,191.35

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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.