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Finding the Fourth Proportional to 168,851.66, 253,151.73 and 102,275.73

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Solution

The fourth proportional to 168,851.66, 253,151.73 and 102,275.73 is: 153,337.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,851.66 : 253,151.73 = 102,275.73 : x
  2. Step 2: Convert to fraction form
    168,851.66/253,151.73 = 102,275.73/x
  3. Step 3: Cross multiply
    168,851.66x = 253,151.73 × 102,275.73
  4. Step 4: Simplify right side
    168,851.66x = 25,891,277,986.51
  5. Step 5: Solve for x
    x = 25,891,277,986.51/168,851.66
  6. Step 6: Final answer
    x = 153,337.43

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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.