Home / 188,094.87-282,185.37-81,496.58

Finding the Fourth Proportional to 188,094.87, 282,185.37 and 81,496.58

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Solution

The fourth proportional to 188,094.87, 282,185.37 and 81,496.58 is: 122,263.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,094.87 : 282,185.37 = 81,496.58 : x
  2. Step 2: Convert to fraction form
    188,094.87/282,185.37 = 81,496.58/x
  3. Step 3: Cross multiply
    188,094.87x = 282,185.37 × 81,496.58
  4. Step 4: Simplify right side
    188,094.87x = 22,997,141,170.11
  5. Step 5: Solve for x
    x = 22,997,141,170.11/188,094.87
  6. Step 6: Final answer
    x = 122,263.52

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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.