Home / 131,355.38-197,014.59-42,609.66

Finding the Fourth Proportional to 131,355.38, 197,014.59 and 42,609.66

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Solution

The fourth proportional to 131,355.38, 197,014.59 and 42,609.66 is: 63,908.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,355.38 : 197,014.59 = 42,609.66 : x
  2. Step 2: Convert to fraction form
    131,355.38/197,014.59 = 42,609.66/x
  3. Step 3: Cross multiply
    131,355.38x = 197,014.59 × 42,609.66
  4. Step 4: Simplify right side
    131,355.38x = 8,394,724,694.94
  5. Step 5: Solve for x
    x = 8,394,724,694.94/131,355.38
  6. Step 6: Final answer
    x = 63,908.50

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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.