Home / 147,093.36-202,989.72-80,025.84

Finding the Fourth Proportional to 147,093.36, 202,989.72 and 80,025.84

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Solution

The fourth proportional to 147,093.36, 202,989.72 and 80,025.84 is: 110,436.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,093.36 : 202,989.72 = 80,025.84 : x
  2. Step 2: Convert to fraction form
    147,093.36/202,989.72 = 80,025.84/x
  3. Step 3: Cross multiply
    147,093.36x = 202,989.72 × 80,025.84
  4. Step 4: Simplify right side
    147,093.36x = 16,244,422,854.36
  5. Step 5: Solve for x
    x = 16,244,422,854.36/147,093.36
  6. Step 6: Final answer
    x = 110,436.14

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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.