Home / 242,318.73-334,431.24-138,993.24

Finding the Fourth Proportional to 242,318.73, 334,431.24 and 138,993.24

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Solution

The fourth proportional to 242,318.73, 334,431.24 and 138,993.24 is: 191,828.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,318.73 : 334,431.24 = 138,993.24 : x
  2. Step 2: Convert to fraction form
    242,318.73/334,431.24 = 138,993.24/x
  3. Step 3: Cross multiply
    242,318.73x = 334,431.24 × 138,993.24
  4. Step 4: Simplify right side
    242,318.73x = 46,483,681,604.82
  5. Step 5: Solve for x
    x = 46,483,681,604.82/242,318.73
  6. Step 6: Final answer
    x = 191,828.68

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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.