Home / 211,425.29-291,766.68-115,933.58

Finding the Fourth Proportional to 211,425.29, 291,766.68 and 115,933.58

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Solution

The fourth proportional to 211,425.29, 291,766.68 and 115,933.58 is: 159,988.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,425.29 : 291,766.68 = 115,933.58 : x
  2. Step 2: Convert to fraction form
    211,425.29/291,766.68 = 115,933.58/x
  3. Step 3: Cross multiply
    211,425.29x = 291,766.68 × 115,933.58
  4. Step 4: Simplify right side
    211,425.29x = 33,825,554,278.28
  5. Step 5: Solve for x
    x = 33,825,554,278.28/211,425.29
  6. Step 6: Final answer
    x = 159,988.22

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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.