Home / 146,778.95-220,099.01-56,863.78

Finding the Fourth Proportional to 146,778.95, 220,099.01 and 56,863.78

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Solution

The fourth proportional to 146,778.95, 220,099.01 and 56,863.78 is: 85,268.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,778.95 : 220,099.01 = 56,863.78 : x
  2. Step 2: Convert to fraction form
    146,778.95/220,099.01 = 56,863.78/x
  3. Step 3: Cross multiply
    146,778.95x = 220,099.01 × 56,863.78
  4. Step 4: Simplify right side
    146,778.95x = 12,515,661,682.86
  5. Step 5: Solve for x
    x = 12,515,661,682.86/146,778.95
  6. Step 6: Final answer
    x = 85,268.78

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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.