Home / 149,053.58-205,621.62-88,581.38

Finding the Fourth Proportional to 149,053.58, 205,621.62 and 88,581.38

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Solution

The fourth proportional to 149,053.58, 205,621.62 and 88,581.38 is: 122,199.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,053.58 : 205,621.62 = 88,581.38 : x
  2. Step 2: Convert to fraction form
    149,053.58/205,621.62 = 88,581.38/x
  3. Step 3: Cross multiply
    149,053.58x = 205,621.62 × 88,581.38
  4. Step 4: Simplify right side
    149,053.58x = 18,214,246,857.44
  5. Step 5: Solve for x
    x = 18,214,246,857.44/149,053.58
  6. Step 6: Final answer
    x = 122,199.32

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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.