Home / 131,967.93-197,979.90-43,214.88

Finding the Fourth Proportional to 131,967.93, 197,979.90 and 43,214.88

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Solution

The fourth proportional to 131,967.93, 197,979.90 and 43,214.88 is: 64,831.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,967.93 : 197,979.90 = 43,214.88 : x
  2. Step 2: Convert to fraction form
    131,967.93/197,979.90 = 43,214.88/x
  3. Step 3: Cross multiply
    131,967.93x = 197,979.90 × 43,214.88
  4. Step 4: Simplify right side
    131,967.93x = 8,555,677,620.91
  5. Step 5: Solve for x
    x = 8,555,677,620.91/131,967.93
  6. Step 6: Final answer
    x = 64,831.49

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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.