Home / 237,918.87-356,765.31-138,109.68

Finding the Fourth Proportional to 237,918.87, 356,765.31 and 138,109.68

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Solution

The fourth proportional to 237,918.87, 356,765.31 and 138,109.68 is: 207,098.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,918.87 : 356,765.31 = 138,109.68 : x
  2. Step 2: Convert to fraction form
    237,918.87/356,765.31 = 138,109.68/x
  3. Step 3: Cross multiply
    237,918.87x = 356,765.31 × 138,109.68
  4. Step 4: Simplify right side
    237,918.87x = 49,272,742,799.20
  5. Step 5: Solve for x
    x = 49,272,742,799.20/237,918.87
  6. Step 6: Final answer
    x = 207,098.93

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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.