Home / 215,147.96-296,911.41-118,355.90

Finding the Fourth Proportional to 215,147.96, 296,911.41 and 118,355.90

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Solution

The fourth proportional to 215,147.96, 296,911.41 and 118,355.90 is: 163,335.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,147.96 : 296,911.41 = 118,355.90 : x
  2. Step 2: Convert to fraction form
    215,147.96/296,911.41 = 118,355.90/x
  3. Step 3: Cross multiply
    215,147.96x = 296,911.41 × 118,355.90
  4. Step 4: Simplify right side
    215,147.96x = 35,141,215,222.43
  5. Step 5: Solve for x
    x = 35,141,215,222.43/215,147.96
  6. Step 6: Final answer
    x = 163,335.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.