Home / 131,169.77-196,772.98-64,610.45

Finding the Fourth Proportional to 131,169.77, 196,772.98 and 64,610.45

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Solution

The fourth proportional to 131,169.77, 196,772.98 and 64,610.45 is: 96,924.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,169.77 : 196,772.98 = 64,610.45 : x
  2. Step 2: Convert to fraction form
    131,169.77/196,772.98 = 64,610.45/x
  3. Step 3: Cross multiply
    131,169.77x = 196,772.98 × 64,610.45
  4. Step 4: Simplify right side
    131,169.77x = 12,713,590,785.64
  5. Step 5: Solve for x
    x = 12,713,590,785.64/131,169.77
  6. Step 6: Final answer
    x = 96,924.70

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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.