Home / 225,669.35-311,458.01-144,032.87

Finding the Fourth Proportional to 225,669.35, 311,458.01 and 144,032.87

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Solution

The fourth proportional to 225,669.35, 311,458.01 and 144,032.87 is: 198,787.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,669.35 : 311,458.01 = 144,032.87 : x
  2. Step 2: Convert to fraction form
    225,669.35/311,458.01 = 144,032.87/x
  3. Step 3: Cross multiply
    225,669.35x = 311,458.01 × 144,032.87
  4. Step 4: Simplify right side
    225,669.35x = 44,860,188,787.33
  5. Step 5: Solve for x
    x = 44,860,188,787.33/225,669.35
  6. Step 6: Final answer
    x = 198,787.25

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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.