Home / 221,077.30-331,680.53-71,314.27

Finding the Fourth Proportional to 221,077.30, 331,680.53 and 71,314.27

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Solution

The fourth proportional to 221,077.30, 331,680.53 and 71,314.27 is: 106,992.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,077.30 : 331,680.53 = 71,314.27 : x
  2. Step 2: Convert to fraction form
    221,077.30/331,680.53 = 71,314.27/x
  3. Step 3: Cross multiply
    221,077.30x = 331,680.53 × 71,314.27
  4. Step 4: Simplify right side
    221,077.30x = 23,653,552,855.19
  5. Step 5: Solve for x
    x = 23,653,552,855.19/221,077.30
  6. Step 6: Final answer
    x = 106,992.23

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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.