Home / 142,924.48-197,221.52-82,514.60

Finding the Fourth Proportional to 142,924.48, 197,221.52 and 82,514.60

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Solution

The fourth proportional to 142,924.48, 197,221.52 and 82,514.60 is: 113,861.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,924.48 : 197,221.52 = 82,514.60 : x
  2. Step 2: Convert to fraction form
    142,924.48/197,221.52 = 82,514.60/x
  3. Step 3: Cross multiply
    142,924.48x = 197,221.52 × 82,514.60
  4. Step 4: Simplify right side
    142,924.48x = 16,273,654,834.19
  5. Step 5: Solve for x
    x = 16,273,654,834.19/142,924.48
  6. Step 6: Final answer
    x = 113,861.91

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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.