Home / 170,146.54-255,145.84-51,790.15

Finding the Fourth Proportional to 170,146.54, 255,145.84 and 51,790.15

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Solution

The fourth proportional to 170,146.54, 255,145.84 and 51,790.15 is: 77,662.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,146.54 : 255,145.84 = 51,790.15 : x
  2. Step 2: Convert to fraction form
    170,146.54/255,145.84 = 51,790.15/x
  3. Step 3: Cross multiply
    170,146.54x = 255,145.84 × 51,790.15
  4. Step 4: Simplify right side
    170,146.54x = 13,214,041,325.48
  5. Step 5: Solve for x
    x = 13,214,041,325.48/170,146.54
  6. Step 6: Final answer
    x = 77,662.71

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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.