Home / 195,485.40-269,811.54-149,666.94

Finding the Fourth Proportional to 195,485.40, 269,811.54 and 149,666.94

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Solution

The fourth proportional to 195,485.40, 269,811.54 and 149,666.94 is: 206,572.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,485.40 : 269,811.54 = 149,666.94 : x
  2. Step 2: Convert to fraction form
    195,485.40/269,811.54 = 149,666.94/x
  3. Step 3: Cross multiply
    195,485.40x = 269,811.54 × 149,666.94
  4. Step 4: Simplify right side
    195,485.40x = 40,381,867,568.49
  5. Step 5: Solve for x
    x = 40,381,867,568.49/195,485.40
  6. Step 6: Final answer
    x = 206,572.29

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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.