Home / 149,828.80-225,002.40-145,163.20

Finding the Fourth Proportional to 149,828.80, 225,002.40 and 145,163.20

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Solution

The fourth proportional to 149,828.80, 225,002.40 and 145,163.20 is: 217,995.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,828.80 : 225,002.40 = 145,163.20 : x
  2. Step 2: Convert to fraction form
    149,828.80/225,002.40 = 145,163.20/x
  3. Step 3: Cross multiply
    149,828.80x = 225,002.40 × 145,163.20
  4. Step 4: Simplify right side
    149,828.80x = 32,662,068,391.68
  5. Step 5: Solve for x
    x = 32,662,068,391.68/149,828.80
  6. Step 6: Final answer
    x = 217,995.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.