Home / 123,145.62-170,052.93-92,879.16

Finding the Fourth Proportional to 123,145.62, 170,052.93 and 92,879.16

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Solution

The fourth proportional to 123,145.62, 170,052.93 and 92,879.16 is: 128,257.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,145.62 : 170,052.93 = 92,879.16 : x
  2. Step 2: Convert to fraction form
    123,145.62/170,052.93 = 92,879.16/x
  3. Step 3: Cross multiply
    123,145.62x = 170,052.93 × 92,879.16
  4. Step 4: Simplify right side
    123,145.62x = 15,794,373,293.94
  5. Step 5: Solve for x
    x = 15,794,373,293.94/123,145.62
  6. Step 6: Final answer
    x = 128,257.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.