Home / 143,132.52-197,531.82-82,714.26

Finding the Fourth Proportional to 143,132.52, 197,531.82 and 82,714.26

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Solution

The fourth proportional to 143,132.52, 197,531.82 and 82,714.26 is: 114,150.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,132.52 : 197,531.82 = 82,714.26 : x
  2. Step 2: Convert to fraction form
    143,132.52/197,531.82 = 82,714.26/x
  3. Step 3: Cross multiply
    143,132.52x = 197,531.82 × 82,714.26
  4. Step 4: Simplify right side
    143,132.52x = 16,338,698,317.75
  5. Step 5: Solve for x
    x = 16,338,698,317.75/143,132.52
  6. Step 6: Final answer
    x = 114,150.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.