Home / 225,565.93-338,325.05-118,907.16

Finding the Fourth Proportional to 225,565.93, 338,325.05 and 118,907.16

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Solution

The fourth proportional to 225,565.93, 338,325.05 and 118,907.16 is: 178,348.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,565.93 : 338,325.05 = 118,907.16 : x
  2. Step 2: Convert to fraction form
    225,565.93/338,325.05 = 118,907.16/x
  3. Step 3: Cross multiply
    225,565.93x = 338,325.05 × 118,907.16
  4. Step 4: Simplify right side
    225,565.93x = 40,229,269,160.73
  5. Step 5: Solve for x
    x = 40,229,269,160.73/225,565.93
  6. Step 6: Final answer
    x = 178,348.16

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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.