Home / 128,366.10-192,388.77-88,606.44

Finding the Fourth Proportional to 128,366.10, 192,388.77 and 88,606.44

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Solution

The fourth proportional to 128,366.10, 192,388.77 and 88,606.44 is: 132,798.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,366.10 : 192,388.77 = 88,606.44 : x
  2. Step 2: Convert to fraction form
    128,366.10/192,388.77 = 88,606.44/x
  3. Step 3: Cross multiply
    128,366.10x = 192,388.77 × 88,606.44
  4. Step 4: Simplify right side
    128,366.10x = 17,046,884,005.68
  5. Step 5: Solve for x
    x = 17,046,884,005.68/128,366.10
  6. Step 6: Final answer
    x = 132,798.96

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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.