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Finding the Fourth Proportional to 170,745.39, 256,130.46 and 65,564.34

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Solution

The fourth proportional to 170,745.39, 256,130.46 and 65,564.34 is: 98,351.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,745.39 : 256,130.46 = 65,564.34 : x
  2. Step 2: Convert to fraction form
    170,745.39/256,130.46 = 65,564.34/x
  3. Step 3: Cross multiply
    170,745.39x = 256,130.46 × 65,564.34
  4. Step 4: Simplify right side
    170,745.39x = 16,793,024,563.80
  5. Step 5: Solve for x
    x = 16,793,024,563.80/170,745.39
  6. Step 6: Final answer
    x = 98,351.26

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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.