Home / 144,629.41-216,570.30-99,789.03

Finding the Fourth Proportional to 144,629.41, 216,570.30 and 99,789.03

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Solution

The fourth proportional to 144,629.41, 216,570.30 and 99,789.03 is: 149,425.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,629.41 : 216,570.30 = 99,789.03 : x
  2. Step 2: Convert to fraction form
    144,629.41/216,570.30 = 99,789.03/x
  3. Step 3: Cross multiply
    144,629.41x = 216,570.30 × 99,789.03
  4. Step 4: Simplify right side
    144,629.41x = 21,611,340,163.81
  5. Step 5: Solve for x
    x = 21,611,340,163.81/144,629.41
  6. Step 6: Final answer
    x = 149,425.63

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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.