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Finding the Fourth Proportional to 170,851.48, 256,277.70 and 100,634.20

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Solution

The fourth proportional to 170,851.48, 256,277.70 and 100,634.20 is: 150,951.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,851.48 : 256,277.70 = 100,634.20 : x
  2. Step 2: Convert to fraction form
    170,851.48/256,277.70 = 100,634.20/x
  3. Step 3: Cross multiply
    170,851.48x = 256,277.70 × 100,634.20
  4. Step 4: Simplify right side
    170,851.48x = 25,790,301,317.34
  5. Step 5: Solve for x
    x = 25,790,301,317.34/170,851.48
  6. Step 6: Final answer
    x = 150,951.58

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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.