Home / 197,139.40-295,514.70-97,217.80

Finding the Fourth Proportional to 197,139.40, 295,514.70 and 97,217.80

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Solution

The fourth proportional to 197,139.40, 295,514.70 and 97,217.80 is: 145,730.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,139.40 : 295,514.70 = 97,217.80 : x
  2. Step 2: Convert to fraction form
    197,139.40/295,514.70 = 97,217.80/x
  3. Step 3: Cross multiply
    197,139.40x = 295,514.70 × 97,217.80
  4. Step 4: Simplify right side
    197,139.40x = 28,729,289,001.66
  5. Step 5: Solve for x
    x = 28,729,289,001.66/197,139.40
  6. Step 6: Final answer
    x = 145,730.83

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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.