Home / 112,745.92-155,585.18-61,759.06

Finding the Fourth Proportional to 112,745.92, 155,585.18 and 61,759.06

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Solution

The fourth proportional to 112,745.92, 155,585.18 and 61,759.06 is: 85,225.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,745.92 : 155,585.18 = 61,759.06 : x
  2. Step 2: Convert to fraction form
    112,745.92/155,585.18 = 61,759.06/x
  3. Step 3: Cross multiply
    112,745.92x = 155,585.18 × 61,759.06
  4. Step 4: Simplify right side
    112,745.92x = 9,608,794,995.12
  5. Step 5: Solve for x
    x = 9,608,794,995.12/112,745.92
  6. Step 6: Final answer
    x = 85,225.22

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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.