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Finding the Fourth Proportional to 170,748.66, 256,135.37 and 65,567.63

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Solution

The fourth proportional to 170,748.66, 256,135.37 and 65,567.63 is: 98,356.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,748.66 : 256,135.37 = 65,567.63 : x
  2. Step 2: Convert to fraction form
    170,748.66/256,135.37 = 65,567.63/x
  3. Step 3: Cross multiply
    170,748.66x = 256,135.37 × 65,567.63
  4. Step 4: Simplify right side
    170,748.66x = 16,794,189,974.33
  5. Step 5: Solve for x
    x = 16,794,189,974.33/170,748.66
  6. Step 6: Final answer
    x = 98,356.20

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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.