Home / 221,051.60-331,614.14-87,933.16

Finding the Fourth Proportional to 221,051.60, 331,614.14 and 87,933.16

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Solution

The fourth proportional to 221,051.60, 331,614.14 and 87,933.16 is: 131,914.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,051.60 : 331,614.14 = 87,933.16 : x
  2. Step 2: Convert to fraction form
    221,051.60/331,614.14 = 87,933.16/x
  3. Step 3: Cross multiply
    221,051.60x = 331,614.14 × 87,933.16
  4. Step 4: Simplify right side
    221,051.60x = 29,159,879,230.88
  5. Step 5: Solve for x
    x = 29,159,879,230.88/221,051.60
  6. Step 6: Final answer
    x = 131,914.35

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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.