Home / 221,068.08-331,569.82-108,718.14

Finding the Fourth Proportional to 221,068.08, 331,569.82 and 108,718.14

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Solution

The fourth proportional to 221,068.08, 331,569.82 and 108,718.14 is: 163,061.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,068.08 : 331,569.82 = 108,718.14 : x
  2. Step 2: Convert to fraction form
    221,068.08/331,569.82 = 108,718.14/x
  3. Step 3: Cross multiply
    221,068.08x = 331,569.82 × 108,718.14
  4. Step 4: Simplify right side
    221,068.08x = 36,047,655,489.82
  5. Step 5: Solve for x
    x = 36,047,655,489.82/221,068.08
  6. Step 6: Final answer
    x = 163,061.33

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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.