Home / 212,984.56-293,921.90-117,489.21

Finding the Fourth Proportional to 212,984.56, 293,921.90 and 117,489.21

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Solution

The fourth proportional to 212,984.56, 293,921.90 and 117,489.21 is: 162,136.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,984.56 : 293,921.90 = 117,489.21 : x
  2. Step 2: Convert to fraction form
    212,984.56/293,921.90 = 117,489.21/x
  3. Step 3: Cross multiply
    212,984.56x = 293,921.90 × 117,489.21
  4. Step 4: Simplify right side
    212,984.56x = 34,532,651,832.70
  5. Step 5: Solve for x
    x = 34,532,651,832.70/212,984.56
  6. Step 6: Final answer
    x = 162,136.88

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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.