Home / 203,217.92-280,437.05-112,573.60

Finding the Fourth Proportional to 203,217.92, 280,437.05 and 112,573.60

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Solution

The fourth proportional to 203,217.92, 280,437.05 and 112,573.60 is: 155,349.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,217.92 : 280,437.05 = 112,573.60 : x
  2. Step 2: Convert to fraction form
    203,217.92/280,437.05 = 112,573.60/x
  3. Step 3: Cross multiply
    203,217.92x = 280,437.05 × 112,573.60
  4. Step 4: Simplify right side
    203,217.92x = 31,569,807,027.92
  5. Step 5: Solve for x
    x = 31,569,807,027.92/203,217.92
  6. Step 6: Final answer
    x = 155,349.53

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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.