Home / 188,035.92-259,495.02-103,158.36

Finding the Fourth Proportional to 188,035.92, 259,495.02 and 103,158.36

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Solution

The fourth proportional to 188,035.92, 259,495.02 and 103,158.36 is: 142,361.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,035.92 : 259,495.02 = 103,158.36 : x
  2. Step 2: Convert to fraction form
    188,035.92/259,495.02 = 103,158.36/x
  3. Step 3: Cross multiply
    188,035.92x = 259,495.02 × 103,158.36
  4. Step 4: Simplify right side
    188,035.92x = 26,769,080,691.37
  5. Step 5: Solve for x
    x = 26,769,080,691.37/188,035.92
  6. Step 6: Final answer
    x = 142,361.53

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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.