Home / 357,025.50-535,540.26-90,786.18

Finding the Fourth Proportional to 357,025.50, 535,540.26 and 90,786.18

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Solution

The fourth proportional to 357,025.50, 535,540.26 and 90,786.18 is: 136,179.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,025.50 : 535,540.26 = 90,786.18 : x
  2. Step 2: Convert to fraction form
    357,025.50/535,540.26 = 90,786.18/x
  3. Step 3: Cross multiply
    357,025.50x = 535,540.26 × 90,786.18
  4. Step 4: Simplify right side
    357,025.50x = 48,619,654,441.61
  5. Step 5: Solve for x
    x = 48,619,654,441.61/357,025.50
  6. Step 6: Final answer
    x = 136,179.78

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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.