Home / 145,194.96-217,759.60-55,205.58

Finding the Fourth Proportional to 145,194.96, 217,759.60 and 55,205.58

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Solution

The fourth proportional to 145,194.96, 217,759.60 and 55,205.58 is: 82,795.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,194.96 : 217,759.60 = 55,205.58 : x
  2. Step 2: Convert to fraction form
    145,194.96/217,759.60 = 55,205.58/x
  3. Step 3: Cross multiply
    145,194.96x = 217,759.60 × 55,205.58
  4. Step 4: Simplify right side
    145,194.96x = 12,021,545,018.57
  5. Step 5: Solve for x
    x = 12,021,545,018.57/145,194.96
  6. Step 6: Final answer
    x = 82,795.88

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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.