Home / 168,004.72-252,007.50-115,254.28

Finding the Fourth Proportional to 168,004.72, 252,007.50 and 115,254.28

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Solution

The fourth proportional to 168,004.72, 252,007.50 and 115,254.28 is: 172,881.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,004.72 : 252,007.50 = 115,254.28 : x
  2. Step 2: Convert to fraction form
    168,004.72/252,007.50 = 115,254.28/x
  3. Step 3: Cross multiply
    168,004.72x = 252,007.50 × 115,254.28
  4. Step 4: Simplify right side
    168,004.72x = 29,044,942,967.10
  5. Step 5: Solve for x
    x = 29,044,942,967.10/168,004.72
  6. Step 6: Final answer
    x = 172,881.71

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1.5x scale

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.