Home / 173,135.10-259,648.65-67,986.30

Finding the Fourth Proportional to 173,135.10, 259,648.65 and 67,986.30

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Solution

The fourth proportional to 173,135.10, 259,648.65 and 67,986.30 is: 101,958.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,135.10 : 259,648.65 = 67,986.30 : x
  2. Step 2: Convert to fraction form
    173,135.10/259,648.65 = 67,986.30/x
  3. Step 3: Cross multiply
    173,135.10x = 259,648.65 × 67,986.30
  4. Step 4: Simplify right side
    173,135.10x = 17,652,551,013.50
  5. Step 5: Solve for x
    x = 17,652,551,013.50/173,135.10
  6. Step 6: Final answer
    x = 101,958.25

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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.