Home / 211,441.09-291,788.75-115,949.79

Finding the Fourth Proportional to 211,441.09, 291,788.75 and 115,949.79

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Solution

The fourth proportional to 211,441.09, 291,788.75 and 115,949.79 is: 160,010.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,441.09 : 291,788.75 = 115,949.79 : x
  2. Step 2: Convert to fraction form
    211,441.09/291,788.75 = 115,949.79/x
  3. Step 3: Cross multiply
    211,441.09x = 291,788.75 × 115,949.79
  4. Step 4: Simplify right side
    211,441.09x = 33,832,842,248.17
  5. Step 5: Solve for x
    x = 33,832,842,248.17/211,441.09
  6. Step 6: Final answer
    x = 160,010.73

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1.5x scale

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.