Home / 211,161.29-316,772.82-61,382.12

Finding the Fourth Proportional to 211,161.29, 316,772.82 and 61,382.12

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Solution

The fourth proportional to 211,161.29, 316,772.82 and 61,382.12 is: 92,082.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,161.29 : 316,772.82 = 61,382.12 : x
  2. Step 2: Convert to fraction form
    211,161.29/316,772.82 = 61,382.12/x
  3. Step 3: Cross multiply
    211,161.29x = 316,772.82 × 61,382.12
  4. Step 4: Simplify right side
    211,161.29x = 19,444,186,854.01
  5. Step 5: Solve for x
    x = 19,444,186,854.01/211,161.29
  6. Step 6: Final answer
    x = 92,082.16

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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.