Home / 203,221.02-280,441.33-112,576.71

Finding the Fourth Proportional to 203,221.02, 280,441.33 and 112,576.71

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Solution

The fourth proportional to 203,221.02, 280,441.33 and 112,576.71 is: 155,353.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,221.02 : 280,441.33 = 112,576.71 : x
  2. Step 2: Convert to fraction form
    203,221.02/280,441.33 = 112,576.71/x
  3. Step 3: Cross multiply
    203,221.02x = 280,441.33 × 112,576.71
  4. Step 4: Simplify right side
    203,221.02x = 31,571,162,279.42
  5. Step 5: Solve for x
    x = 31,571,162,279.42/203,221.02
  6. Step 6: Final answer
    x = 155,353.82

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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.