Home / 170,486.75-255,720.82-52,158.10

Finding the Fourth Proportional to 170,486.75, 255,720.82 and 52,158.10

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Solution

The fourth proportional to 170,486.75, 255,720.82 and 52,158.10 is: 78,234.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,486.75 : 255,720.82 = 52,158.10 : x
  2. Step 2: Convert to fraction form
    170,486.75/255,720.82 = 52,158.10/x
  3. Step 3: Cross multiply
    170,486.75x = 255,720.82 × 52,158.10
  4. Step 4: Simplify right side
    170,486.75x = 13,337,912,101.64
  5. Step 5: Solve for x
    x = 13,337,912,101.64/170,486.75
  6. Step 6: Final answer
    x = 78,234.30

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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.