Home / 211,016.42-291,210.00-115,523.79

Finding the Fourth Proportional to 211,016.42, 291,210.00 and 115,523.79

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Solution

The fourth proportional to 211,016.42, 291,210.00 and 115,523.79 is: 159,426.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,016.42 : 291,210.00 = 115,523.79 : x
  2. Step 2: Convert to fraction form
    211,016.42/291,210.00 = 115,523.79/x
  3. Step 3: Cross multiply
    211,016.42x = 291,210.00 × 115,523.79
  4. Step 4: Simplify right side
    211,016.42x = 33,641,682,308.28
  5. Step 5: Solve for x
    x = 33,641,682,308.28/211,016.42
  6. Step 6: Final answer
    x = 159,426.85

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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.