Home / 170,493.78-255,729.96-52,155.72

Finding the Fourth Proportional to 170,493.78, 255,729.96 and 52,155.72

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Solution

The fourth proportional to 170,493.78, 255,729.96 and 52,155.72 is: 78,230.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,493.78 : 255,729.96 = 52,155.72 : x
  2. Step 2: Convert to fraction form
    170,493.78/255,729.96 = 52,155.72/x
  3. Step 3: Cross multiply
    170,493.78x = 255,729.96 × 52,155.72
  4. Step 4: Simplify right side
    170,493.78x = 13,337,780,189.37
  5. Step 5: Solve for x
    x = 13,337,780,189.37/170,493.78
  6. Step 6: Final answer
    x = 78,230.30

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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.