Home / 234,697.56-351,890.81-84,918.36

Finding the Fourth Proportional to 234,697.56, 351,890.81 and 84,918.36

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Solution

The fourth proportional to 234,697.56, 351,890.81 and 84,918.36 is: 127,321.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,697.56 : 351,890.81 = 84,918.36 : x
  2. Step 2: Convert to fraction form
    234,697.56/351,890.81 = 84,918.36/x
  3. Step 3: Cross multiply
    234,697.56x = 351,890.81 × 84,918.36
  4. Step 4: Simplify right side
    234,697.56x = 29,881,990,964.03
  5. Step 5: Solve for x
    x = 29,881,990,964.03/234,697.56
  6. Step 6: Final answer
    x = 127,321.27

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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.