Home / 212,720.28-293,560.13-117,233.12

Finding the Fourth Proportional to 212,720.28, 293,560.13 and 117,233.12

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Solution

The fourth proportional to 212,720.28, 293,560.13 and 117,233.12 is: 161,785.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,720.28 : 293,560.13 = 117,233.12 : x
  2. Step 2: Convert to fraction form
    212,720.28/293,560.13 = 117,233.12/x
  3. Step 3: Cross multiply
    212,720.28x = 293,560.13 × 117,233.12
  4. Step 4: Simplify right side
    212,720.28x = 34,414,970,974.49
  5. Step 5: Solve for x
    x = 34,414,970,974.49/212,720.28
  6. Step 6: Final answer
    x = 161,785.10

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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.