Home / 212,620.38-293,415.62-117,127.15

Finding the Fourth Proportional to 212,620.38, 293,415.62 and 117,127.15

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Solution

The fourth proportional to 212,620.38, 293,415.62 and 117,127.15 is: 161,635.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,620.38 : 293,415.62 = 117,127.15 : x
  2. Step 2: Convert to fraction form
    212,620.38/293,415.62 = 117,127.15/x
  3. Step 3: Cross multiply
    212,620.38x = 293,415.62 × 117,127.15
  4. Step 4: Simplify right side
    212,620.38x = 34,366,934,016.91
  5. Step 5: Solve for x
    x = 34,366,934,016.91/212,620.38
  6. Step 6: Final answer
    x = 161,635.19

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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.