Home / 170,016.78-234,672.58-113,428.02

Finding the Fourth Proportional to 170,016.78, 234,672.58 and 113,428.02

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Solution

The fourth proportional to 170,016.78, 234,672.58 and 113,428.02 is: 156,563.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,016.78 : 234,672.58 = 113,428.02 : x
  2. Step 2: Convert to fraction form
    170,016.78/234,672.58 = 113,428.02/x
  3. Step 3: Cross multiply
    170,016.78x = 234,672.58 × 113,428.02
  4. Step 4: Simplify right side
    170,016.78x = 26,618,446,097.69
  5. Step 5: Solve for x
    x = 26,618,446,097.69/170,016.78
  6. Step 6: Final answer
    x = 156,563.64

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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.