Home / 203,180.56-280,376.84-112,531.10

Finding the Fourth Proportional to 203,180.56, 280,376.84 and 112,531.10

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Solution

The fourth proportional to 203,180.56, 280,376.84 and 112,531.10 is: 155,286.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,180.56 : 280,376.84 = 112,531.10 : x
  2. Step 2: Convert to fraction form
    203,180.56/280,376.84 = 112,531.10/x
  3. Step 3: Cross multiply
    203,180.56x = 280,376.84 × 112,531.10
  4. Step 4: Simplify right side
    203,180.56x = 31,551,113,099.17
  5. Step 5: Solve for x
    x = 31,551,113,099.17/203,180.56
  6. Step 6: Final answer
    x = 155,286.08

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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.