Home / 131,727.80-197,612.26-42,960.66

Finding the Fourth Proportional to 131,727.80, 197,612.26 and 42,960.66

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Solution

The fourth proportional to 131,727.80, 197,612.26 and 42,960.66 is: 64,447.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,727.80 : 197,612.26 = 42,960.66 : x
  2. Step 2: Convert to fraction form
    131,727.80/197,612.26 = 42,960.66/x
  3. Step 3: Cross multiply
    131,727.80x = 197,612.26 × 42,960.66
  4. Step 4: Simplify right side
    131,727.80x = 8,489,553,113.69
  5. Step 5: Solve for x
    x = 8,489,553,113.69/131,727.80
  6. Step 6: Final answer
    x = 64,447.70

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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.