Home / 170,293.13-255,439.53-80,314.85

Finding the Fourth Proportional to 170,293.13, 255,439.53 and 80,314.85

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Solution

The fourth proportional to 170,293.13, 255,439.53 and 80,314.85 is: 120,472.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,293.13 : 255,439.53 = 80,314.85 : x
  2. Step 2: Convert to fraction form
    170,293.13/255,439.53 = 80,314.85/x
  3. Step 3: Cross multiply
    170,293.13x = 255,439.53 × 80,314.85
  4. Step 4: Simplify right side
    170,293.13x = 20,515,586,258.82
  5. Step 5: Solve for x
    x = 20,515,586,258.82/170,293.13
  6. Step 6: Final answer
    x = 120,472.19

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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.