Home / 229,761.36-317,099.16-129,159.36

Finding the Fourth Proportional to 229,761.36, 317,099.16 and 129,159.36

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Solution

The fourth proportional to 229,761.36, 317,099.16 and 129,159.36 is: 178,255.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,761.36 : 317,099.16 = 129,159.36 : x
  2. Step 2: Convert to fraction form
    229,761.36/317,099.16 = 129,159.36/x
  3. Step 3: Cross multiply
    229,761.36x = 317,099.16 × 129,159.36
  4. Step 4: Simplify right side
    229,761.36x = 40,956,324,562.14
  5. Step 5: Solve for x
    x = 40,956,324,562.14/229,761.36
  6. Step 6: Final answer
    x = 178,255.93

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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.