Home / 211,266.06-316,685.85-132,435.65

Finding the Fourth Proportional to 211,266.06, 316,685.85 and 132,435.65

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Solution

The fourth proportional to 211,266.06, 316,685.85 and 132,435.65 is: 198,519.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,266.06 : 316,685.85 = 132,435.65 : x
  2. Step 2: Convert to fraction form
    211,266.06/316,685.85 = 132,435.65/x
  3. Step 3: Cross multiply
    211,266.06x = 316,685.85 × 132,435.65
  4. Step 4: Simplify right side
    211,266.06x = 41,940,494,807.12
  5. Step 5: Solve for x
    x = 41,940,494,807.12/211,266.06
  6. Step 6: Final answer
    x = 198,519.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.