Home / 212,521.14-293,279.61-117,028.02

Finding the Fourth Proportional to 212,521.14, 293,279.61 and 117,028.02

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Solution

The fourth proportional to 212,521.14, 293,279.61 and 117,028.02 is: 161,498.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,521.14 : 293,279.61 = 117,028.02 : x
  2. Step 2: Convert to fraction form
    212,521.14/293,279.61 = 117,028.02/x
  3. Step 3: Cross multiply
    212,521.14x = 293,279.61 × 117,028.02
  4. Step 4: Simplify right side
    212,521.14x = 34,321,932,064.67
  5. Step 5: Solve for x
    x = 34,321,932,064.67/212,521.14
  6. Step 6: Final answer
    x = 161,498.91

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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.