Home / 112,723.92-155,560.77-61,735.68

Finding the Fourth Proportional to 112,723.92, 155,560.77 and 61,735.68

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Solution

The fourth proportional to 112,723.92, 155,560.77 and 61,735.68 is: 85,196.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,723.92 : 155,560.77 = 61,735.68 : x
  2. Step 2: Convert to fraction form
    112,723.92/155,560.77 = 61,735.68/x
  3. Step 3: Cross multiply
    112,723.92x = 155,560.77 × 61,735.68
  4. Step 4: Simplify right side
    112,723.92x = 9,603,649,917.27
  5. Step 5: Solve for x
    x = 9,603,649,917.27/112,723.92
  6. Step 6: Final answer
    x = 85,196.20

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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.