Home / 118,214.10-177,321.15-114,933.60

Finding the Fourth Proportional to 118,214.10, 177,321.15 and 114,933.60

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Solution

The fourth proportional to 118,214.10, 177,321.15 and 114,933.60 is: 172,400.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,214.10 : 177,321.15 = 114,933.60 : x
  2. Step 2: Convert to fraction form
    118,214.10/177,321.15 = 114,933.60/x
  3. Step 3: Cross multiply
    118,214.10x = 177,321.15 × 114,933.60
  4. Step 4: Simplify right side
    118,214.10x = 20,380,158,125.64
  5. Step 5: Solve for x
    x = 20,380,158,125.64/118,214.10
  6. Step 6: Final answer
    x = 172,400.40

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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.