Home / 123,739.17-170,760.05-67,150.54

Finding the Fourth Proportional to 123,739.17, 170,760.05 and 67,150.54

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Solution

The fourth proportional to 123,739.17, 170,760.05 and 67,150.54 is: 92,667.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,739.17 : 170,760.05 = 67,150.54 : x
  2. Step 2: Convert to fraction form
    123,739.17/170,760.05 = 67,150.54/x
  3. Step 3: Cross multiply
    123,739.17x = 170,760.05 × 67,150.54
  4. Step 4: Simplify right side
    123,739.17x = 11,466,630,120.02
  5. Step 5: Solve for x
    x = 11,466,630,120.02/123,739.17
  6. Step 6: Final answer
    x = 92,667.75

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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.