Home / 170,797.23-256,352.10-86,615.50

Finding the Fourth Proportional to 170,797.23, 256,352.10 and 86,615.50

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Solution

The fourth proportional to 170,797.23, 256,352.10 and 86,615.50 is: 130,002.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,797.23 : 256,352.10 = 86,615.50 : x
  2. Step 2: Convert to fraction form
    170,797.23/256,352.10 = 86,615.50/x
  3. Step 3: Cross multiply
    170,797.23x = 256,352.10 × 86,615.50
  4. Step 4: Simplify right side
    170,797.23x = 22,204,065,317.55
  5. Step 5: Solve for x
    x = 22,204,065,317.55/170,797.23
  6. Step 6: Final answer
    x = 130,002.49

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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.