Home / 124,771.86-172,182.42-68,183.64

Finding the Fourth Proportional to 124,771.86, 172,182.42 and 68,183.64

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Solution

The fourth proportional to 124,771.86, 172,182.42 and 68,183.64 is: 94,091.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,771.86 : 172,182.42 = 68,183.64 : x
  2. Step 2: Convert to fraction form
    124,771.86/172,182.42 = 68,183.64/x
  3. Step 3: Cross multiply
    124,771.86x = 172,182.42 × 68,183.64
  4. Step 4: Simplify right side
    124,771.86x = 11,740,024,139.61
  5. Step 5: Solve for x
    x = 11,740,024,139.61/124,771.86
  6. Step 6: Final answer
    x = 94,091.92

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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.