Home / 211,318.96-291,627.42-115,825.60

Finding the Fourth Proportional to 211,318.96, 291,627.42 and 115,825.60

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Solution

The fourth proportional to 211,318.96, 291,627.42 and 115,825.60 is: 159,843.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,318.96 : 291,627.42 = 115,825.60 : x
  2. Step 2: Convert to fraction form
    211,318.96/291,627.42 = 115,825.60/x
  3. Step 3: Cross multiply
    211,318.96x = 291,627.42 × 115,825.60
  4. Step 4: Simplify right side
    211,318.96x = 33,777,920,897.95
  5. Step 5: Solve for x
    x = 33,777,920,897.95/211,318.96
  6. Step 6: Final answer
    x = 159,843.30

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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.