Home / 209,555.44-314,395.22-120,872.59

Finding the Fourth Proportional to 209,555.44, 314,395.22 and 120,872.59

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Solution

The fourth proportional to 209,555.44, 314,395.22 and 120,872.59 is: 181,344.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,555.44 : 314,395.22 = 120,872.59 : x
  2. Step 2: Convert to fraction form
    209,555.44/314,395.22 = 120,872.59/x
  3. Step 3: Cross multiply
    209,555.44x = 314,395.22 × 120,872.59
  4. Step 4: Simplify right side
    209,555.44x = 38,001,764,041.21
  5. Step 5: Solve for x
    x = 38,001,764,041.21/209,555.44
  6. Step 6: Final answer
    x = 181,344.68

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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.