Home / 112,723.75-155,560.55-61,735.57

Finding the Fourth Proportional to 112,723.75, 155,560.55 and 61,735.57

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Solution

The fourth proportional to 112,723.75, 155,560.55 and 61,735.57 is: 85,196.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,723.75 : 155,560.55 = 61,735.57 : x
  2. Step 2: Convert to fraction form
    112,723.75/155,560.55 = 61,735.57/x
  3. Step 3: Cross multiply
    112,723.75x = 155,560.55 × 61,735.57
  4. Step 4: Simplify right side
    112,723.75x = 9,603,618,873.45
  5. Step 5: Solve for x
    x = 9,603,618,873.45/112,723.75
  6. Step 6: Final answer
    x = 85,196.05

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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.