Home / 212,434.10-293,169.59-116,939.78

Finding the Fourth Proportional to 212,434.10, 293,169.59 and 116,939.78

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Solution

The fourth proportional to 212,434.10, 293,169.59 and 116,939.78 is: 161,382.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,434.10 : 293,169.59 = 116,939.78 : x
  2. Step 2: Convert to fraction form
    212,434.10/293,169.59 = 116,939.78/x
  3. Step 3: Cross multiply
    212,434.10x = 293,169.59 × 116,939.78
  4. Step 4: Simplify right side
    212,434.10x = 34,283,185,306.74
  5. Step 5: Solve for x
    x = 34,283,185,306.74/212,434.10
  6. Step 6: Final answer
    x = 161,382.69

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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.