Home / 170,145.28-255,232.10-51,817.65

Finding the Fourth Proportional to 170,145.28, 255,232.10 and 51,817.65

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Solution

The fourth proportional to 170,145.28, 255,232.10 and 51,817.65 is: 77,730.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,145.28 : 255,232.10 = 51,817.65 : x
  2. Step 2: Convert to fraction form
    170,145.28/255,232.10 = 51,817.65/x
  3. Step 3: Cross multiply
    170,145.28x = 255,232.10 × 51,817.65
  4. Step 4: Simplify right side
    170,145.28x = 13,225,527,626.57
  5. Step 5: Solve for x
    x = 13,225,527,626.57/170,145.28
  6. Step 6: Final answer
    x = 77,730.79

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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.