Home / 221,799.53-332,804.19-115,126.77

Finding the Fourth Proportional to 221,799.53, 332,804.19 and 115,126.77

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Solution

The fourth proportional to 221,799.53, 332,804.19 and 115,126.77 is: 172,744.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,799.53 : 332,804.19 = 115,126.77 : x
  2. Step 2: Convert to fraction form
    221,799.53/332,804.19 = 115,126.77/x
  3. Step 3: Cross multiply
    221,799.53x = 332,804.19 × 115,126.77
  4. Step 4: Simplify right side
    221,799.53x = 38,314,671,437.17
  5. Step 5: Solve for x
    x = 38,314,671,437.17/221,799.53
  6. Step 6: Final answer
    x = 172,744.61

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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.