Home / 171,845.55-257,463.32-71,785.53

Finding the Fourth Proportional to 171,845.55, 257,463.32 and 71,785.53

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Solution

The fourth proportional to 171,845.55, 257,463.32 and 71,785.53 is: 107,550.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,845.55 : 257,463.32 = 71,785.53 : x
  2. Step 2: Convert to fraction form
    171,845.55/257,463.32 = 71,785.53/x
  3. Step 3: Cross multiply
    171,845.55x = 257,463.32 × 71,785.53
  4. Step 4: Simplify right side
    171,845.55x = 18,482,140,522.83
  5. Step 5: Solve for x
    x = 18,482,140,522.83/171,845.55
  6. Step 6: Final answer
    x = 107,550.88

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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.