Home / 170,919.32-256,411.38-71,025.28

Finding the Fourth Proportional to 170,919.32, 256,411.38 and 71,025.28

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Solution

The fourth proportional to 170,919.32, 256,411.38 and 71,025.28 is: 106,551.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,919.32 : 256,411.38 = 71,025.28 : x
  2. Step 2: Convert to fraction form
    170,919.32/256,411.38 = 71,025.28/x
  3. Step 3: Cross multiply
    170,919.32x = 256,411.38 × 71,025.28
  4. Step 4: Simplify right side
    170,919.32x = 18,211,690,059.69
  5. Step 5: Solve for x
    x = 18,211,690,059.69/170,919.32
  6. Step 6: Final answer
    x = 106,551.38

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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.