Home / 145,742.97-218,593.68-45,900.56

Finding the Fourth Proportional to 145,742.97, 218,593.68 and 45,900.56

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Solution

The fourth proportional to 145,742.97, 218,593.68 and 45,900.56 is: 68,844.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,742.97 : 218,593.68 = 45,900.56 : x
  2. Step 2: Convert to fraction form
    145,742.97/218,593.68 = 45,900.56/x
  3. Step 3: Cross multiply
    145,742.97x = 218,593.68 × 45,900.56
  4. Step 4: Simplify right side
    145,742.97x = 10,033,572,324.46
  5. Step 5: Solve for x
    x = 10,033,572,324.46/145,742.97
  6. Step 6: Final answer
    x = 68,844.30

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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.