Home / 171,205.74-256,709.85-52,845.42

Finding the Fourth Proportional to 171,205.74, 256,709.85 and 52,845.42

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Solution

The fourth proportional to 171,205.74, 256,709.85 and 52,845.42 is: 79,237.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,205.74 : 256,709.85 = 52,845.42 : x
  2. Step 2: Convert to fraction form
    171,205.74/256,709.85 = 52,845.42/x
  3. Step 3: Cross multiply
    171,205.74x = 256,709.85 × 52,845.42
  4. Step 4: Simplify right side
    171,205.74x = 13,565,939,841.39
  5. Step 5: Solve for x
    x = 13,565,939,841.39/171,205.74
  6. Step 6: Final answer
    x = 79,237.65

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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.