Home / 170,960.19-256,508.64-71,189.25

Finding the Fourth Proportional to 170,960.19, 256,508.64 and 71,189.25

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Solution

The fourth proportional to 170,960.19, 256,508.64 and 71,189.25 is: 106,812.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,960.19 : 256,508.64 = 71,189.25 : x
  2. Step 2: Convert to fraction form
    170,960.19/256,508.64 = 71,189.25/x
  3. Step 3: Cross multiply
    170,960.19x = 256,508.64 × 71,189.25
  4. Step 4: Simplify right side
    170,960.19x = 18,260,657,700.12
  5. Step 5: Solve for x
    x = 18,260,657,700.12/170,960.19
  6. Step 6: Final answer
    x = 106,812.34

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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.