Home / 234,971.34-324,251.76-127,539.10

Finding the Fourth Proportional to 234,971.34, 324,251.76 and 127,539.10

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Solution

The fourth proportional to 234,971.34, 324,251.76 and 127,539.10 is: 175,999.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,971.34 : 324,251.76 = 127,539.10 : x
  2. Step 2: Convert to fraction form
    234,971.34/324,251.76 = 127,539.10/x
  3. Step 3: Cross multiply
    234,971.34x = 324,251.76 × 127,539.10
  4. Step 4: Simplify right side
    234,971.34x = 41,354,777,643.82
  5. Step 5: Solve for x
    x = 41,354,777,643.82/234,971.34
  6. Step 6: Final answer
    x = 175,999.24

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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.