Home / 211,120.43-291,346.29-115,627.10

Finding the Fourth Proportional to 211,120.43, 291,346.29 and 115,627.10

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Solution

The fourth proportional to 211,120.43, 291,346.29 and 115,627.10 is: 159,565.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,120.43 : 291,346.29 = 115,627.10 : x
  2. Step 2: Convert to fraction form
    211,120.43/291,346.29 = 115,627.10/x
  3. Step 3: Cross multiply
    211,120.43x = 291,346.29 × 115,627.10
  4. Step 4: Simplify right side
    211,120.43x = 33,687,525,151.73
  5. Step 5: Solve for x
    x = 33,687,525,151.73/211,120.43
  6. Step 6: Final answer
    x = 159,565.45

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