Home / 131,495.16-197,184.42-81,573.24

Finding the Fourth Proportional to 131,495.16, 197,184.42 and 81,573.24

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Solution

The fourth proportional to 131,495.16, 197,184.42 and 81,573.24 is: 122,323.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,495.16 : 197,184.42 = 81,573.24 : x
  2. Step 2: Convert to fraction form
    131,495.16/197,184.42 = 81,573.24/x
  3. Step 3: Cross multiply
    131,495.16x = 197,184.42 × 81,573.24
  4. Step 4: Simplify right side
    131,495.16x = 16,084,972,016.92
  5. Step 5: Solve for x
    x = 16,084,972,016.92/131,495.16
  6. Step 6: Final answer
    x = 122,323.68

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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.