Home / 98,745.21-136,268.33-55,733.76

Finding the Fourth Proportional to 98,745.21, 136,268.33 and 55,733.76

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Solution

The fourth proportional to 98,745.21, 136,268.33 and 55,733.76 is: 76,912.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,745.21 : 136,268.33 = 55,733.76 : x
  2. Step 2: Convert to fraction form
    98,745.21/136,268.33 = 55,733.76/x
  3. Step 3: Cross multiply
    98,745.21x = 136,268.33 × 55,733.76
  4. Step 4: Simplify right side
    98,745.21x = 7,594,745,929.52
  5. Step 5: Solve for x
    x = 7,594,745,929.52/98,745.21
  6. Step 6: Final answer
    x = 76,912.55

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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.