Home / 168,376.19-231,828.72-142,829.60

Finding the Fourth Proportional to 168,376.19, 231,828.72 and 142,829.60

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Solution

The fourth proportional to 168,376.19, 231,828.72 and 142,829.60 is: 196,654.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,376.19 : 231,828.72 = 142,829.60 : x
  2. Step 2: Convert to fraction form
    168,376.19/231,828.72 = 142,829.60/x
  3. Step 3: Cross multiply
    168,376.19x = 231,828.72 × 142,829.60
  4. Step 4: Simplify right side
    168,376.19x = 33,112,003,346.11
  5. Step 5: Solve for x
    x = 33,112,003,346.11/168,376.19
  6. Step 6: Final answer
    x = 196,654.90

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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.