Home / 131,698.92-197,567.40-42,930.48

Finding the Fourth Proportional to 131,698.92, 197,567.40 and 42,930.48

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Solution

The fourth proportional to 131,698.92, 197,567.40 and 42,930.48 is: 64,401.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,698.92 : 197,567.40 = 42,930.48 : x
  2. Step 2: Convert to fraction form
    131,698.92/197,567.40 = 42,930.48/x
  3. Step 3: Cross multiply
    131,698.92x = 197,567.40 × 42,930.48
  4. Step 4: Simplify right side
    131,698.92x = 8,481,663,314.35
  5. Step 5: Solve for x
    x = 8,481,663,314.35/131,698.92
  6. Step 6: Final answer
    x = 64,401.92

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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.