Home / 203,010.56-280,152.24-112,366.70

Finding the Fourth Proportional to 203,010.56, 280,152.24 and 112,366.70

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Solution

The fourth proportional to 203,010.56, 280,152.24 and 112,366.70 is: 155,064.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,010.56 : 280,152.24 = 112,366.70 : x
  2. Step 2: Convert to fraction form
    203,010.56/280,152.24 = 112,366.70/x
  3. Step 3: Cross multiply
    203,010.56x = 280,152.24 × 112,366.70
  4. Step 4: Simplify right side
    203,010.56x = 31,479,782,706.41
  5. Step 5: Solve for x
    x = 31,479,782,706.41/203,010.56
  6. Step 6: Final answer
    x = 155,064.75

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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.