Home / 131,990.88-197,875.06-89,752.62

Finding the Fourth Proportional to 131,990.88, 197,875.06 and 89,752.62

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Solution

The fourth proportional to 131,990.88, 197,875.06 and 89,752.62 is: 134,553.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,990.88 : 197,875.06 = 89,752.62 : x
  2. Step 2: Convert to fraction form
    131,990.88/197,875.06 = 89,752.62/x
  3. Step 3: Cross multiply
    131,990.88x = 197,875.06 × 89,752.62
  4. Step 4: Simplify right side
    131,990.88x = 17,759,805,067.66
  5. Step 5: Solve for x
    x = 17,759,805,067.66/131,990.88
  6. Step 6: Final answer
    x = 134,553.27

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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.