Home / 212,781.24-293,651.22-117,287.70

Finding the Fourth Proportional to 212,781.24, 293,651.22 and 117,287.70

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Solution

The fourth proportional to 212,781.24, 293,651.22 and 117,287.70 is: 161,864.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,781.24 : 293,651.22 = 117,287.70 : x
  2. Step 2: Convert to fraction form
    212,781.24/293,651.22 = 117,287.70/x
  3. Step 3: Cross multiply
    212,781.24x = 293,651.22 × 117,287.70
  4. Step 4: Simplify right side
    212,781.24x = 34,441,676,195.99
  5. Step 5: Solve for x
    x = 34,441,676,195.99/212,781.24
  6. Step 6: Final answer
    x = 161,864.25

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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.