Home / 268,124.24-402,187.58-90,632.20

Finding the Fourth Proportional to 268,124.24, 402,187.58 and 90,632.20

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Solution

The fourth proportional to 268,124.24, 402,187.58 and 90,632.20 is: 135,948.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,124.24 : 402,187.58 = 90,632.20 : x
  2. Step 2: Convert to fraction form
    268,124.24/402,187.58 = 90,632.20/x
  3. Step 3: Cross multiply
    268,124.24x = 402,187.58 × 90,632.20
  4. Step 4: Simplify right side
    268,124.24x = 36,451,145,188.08
  5. Step 5: Solve for x
    x = 36,451,145,188.08/268,124.24
  6. Step 6: Final answer
    x = 135,948.71

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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.