Home / 166,099.86-229,214.61-90,648.90

Finding the Fourth Proportional to 166,099.86, 229,214.61 and 90,648.90

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Solution

The fourth proportional to 166,099.86, 229,214.61 and 90,648.90 is: 125,093.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,099.86 : 229,214.61 = 90,648.90 : x
  2. Step 2: Convert to fraction form
    166,099.86/229,214.61 = 90,648.90/x
  3. Step 3: Cross multiply
    166,099.86x = 229,214.61 × 90,648.90
  4. Step 4: Simplify right side
    166,099.86x = 20,778,052,260.43
  5. Step 5: Solve for x
    x = 20,778,052,260.43/166,099.86
  6. Step 6: Final answer
    x = 125,093.74

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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.