Home / 268,285.76-402,404.03-90,772.44

Finding the Fourth Proportional to 268,285.76, 402,404.03 and 90,772.44

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Solution

The fourth proportional to 268,285.76, 402,404.03 and 90,772.44 is: 136,150.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,285.76 : 402,404.03 = 90,772.44 : x
  2. Step 2: Convert to fraction form
    268,285.76/402,404.03 = 90,772.44/x
  3. Step 3: Cross multiply
    268,285.76x = 402,404.03 × 90,772.44
  4. Step 4: Simplify right side
    268,285.76x = 36,527,195,668.93
  5. Step 5: Solve for x
    x = 36,527,195,668.93/268,285.76
  6. Step 6: Final answer
    x = 136,150.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.