Home / 198,136.32-273,428.08-113,255.20

Finding the Fourth Proportional to 198,136.32, 273,428.08 and 113,255.20

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Solution

The fourth proportional to 198,136.32, 273,428.08 and 113,255.20 is: 156,292.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,136.32 : 273,428.08 = 113,255.20 : x
  2. Step 2: Convert to fraction form
    198,136.32/273,428.08 = 113,255.20/x
  3. Step 3: Cross multiply
    198,136.32x = 273,428.08 × 113,255.20
  4. Step 4: Simplify right side
    198,136.32x = 30,967,151,886.02
  5. Step 5: Solve for x
    x = 30,967,151,886.02/198,136.32
  6. Step 6: Final answer
    x = 156,292.15

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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.