Home / 132,976.92-183,489.99-76,388.28

Finding the Fourth Proportional to 132,976.92, 183,489.99 and 76,388.28

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Solution

The fourth proportional to 132,976.92, 183,489.99 and 76,388.28 is: 105,405.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,976.92 : 183,489.99 = 76,388.28 : x
  2. Step 2: Convert to fraction form
    132,976.92/183,489.99 = 76,388.28/x
  3. Step 3: Cross multiply
    132,976.92x = 183,489.99 × 76,388.28
  4. Step 4: Simplify right side
    132,976.92x = 14,016,484,733.32
  5. Step 5: Solve for x
    x = 14,016,484,733.32/132,976.92
  6. Step 6: Final answer
    x = 105,405.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.