Home / 170,013.78-234,668.43-113,425.02

Finding the Fourth Proportional to 170,013.78, 234,668.43 and 113,425.02

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Solution

The fourth proportional to 170,013.78, 234,668.43 and 113,425.02 is: 156,559.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,013.78 : 234,668.43 = 113,425.02 : x
  2. Step 2: Convert to fraction form
    170,013.78/234,668.43 = 113,425.02/x
  3. Step 3: Cross multiply
    170,013.78x = 234,668.43 × 113,425.02
  4. Step 4: Simplify right side
    170,013.78x = 26,617,271,366.12
  5. Step 5: Solve for x
    x = 26,617,271,366.12/170,013.78
  6. Step 6: Final answer
    x = 156,559.49

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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.