Home / 173,239.10-259,469.85-142,135.10

Finding the Fourth Proportional to 173,239.10, 259,469.85 and 142,135.10

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Solution

The fourth proportional to 173,239.10, 259,469.85 and 142,135.10 is: 212,883.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,239.10 : 259,469.85 = 142,135.10 : x
  2. Step 2: Convert to fraction form
    173,239.10/259,469.85 = 142,135.10/x
  3. Step 3: Cross multiply
    173,239.10x = 259,469.85 × 142,135.10
  4. Step 4: Simplify right side
    173,239.10x = 36,879,773,076.74
  5. Step 5: Solve for x
    x = 36,879,773,076.74/173,239.10
  6. Step 6: Final answer
    x = 212,883.66

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1.5x scale

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.