Home / 212,721.28-293,561.51-117,234.12

Finding the Fourth Proportional to 212,721.28, 293,561.51 and 117,234.12

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Solution

The fourth proportional to 212,721.28, 293,561.51 and 117,234.12 is: 161,786.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,721.28 : 293,561.51 = 117,234.12 : x
  2. Step 2: Convert to fraction form
    212,721.28/293,561.51 = 117,234.12/x
  3. Step 3: Cross multiply
    212,721.28x = 293,561.51 × 117,234.12
  4. Step 4: Simplify right side
    212,721.28x = 34,415,425,290.72
  5. Step 5: Solve for x
    x = 34,415,425,290.72/212,721.28
  6. Step 6: Final answer
    x = 161,786.47

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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.