Home / 221,032.10-331,562.74-80,889.14

Finding the Fourth Proportional to 221,032.10, 331,562.74 and 80,889.14

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Solution

The fourth proportional to 221,032.10, 331,562.74 and 80,889.14 is: 121,339.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,032.10 : 331,562.74 = 80,889.14 : x
  2. Step 2: Convert to fraction form
    221,032.10/331,562.74 = 80,889.14/x
  3. Step 3: Cross multiply
    221,032.10x = 331,562.74 × 80,889.14
  4. Step 4: Simplify right side
    221,032.10x = 26,819,824,894.64
  5. Step 5: Solve for x
    x = 26,819,824,894.64/221,032.10
  6. Step 6: Final answer
    x = 121,339.05

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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.