Home / 147,860.20-221,936.10-73,064.80

Finding the Fourth Proportional to 147,860.20, 221,936.10 and 73,064.80

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Solution

The fourth proportional to 147,860.20, 221,936.10 and 73,064.80 is: 109,669.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,860.20 : 221,936.10 = 73,064.80 : x
  2. Step 2: Convert to fraction form
    147,860.20/221,936.10 = 73,064.80/x
  3. Step 3: Cross multiply
    147,860.20x = 221,936.10 × 73,064.80
  4. Step 4: Simplify right side
    147,860.20x = 16,215,716,759.28
  5. Step 5: Solve for x
    x = 16,215,716,759.28/147,860.20
  6. Step 6: Final answer
    x = 109,669.25

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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.