Home / 139,331.82-209,005.68-44,570.34

Finding the Fourth Proportional to 139,331.82, 209,005.68 and 44,570.34

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Solution

The fourth proportional to 139,331.82, 209,005.68 and 44,570.34 is: 66,858.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,331.82 : 209,005.68 = 44,570.34 : x
  2. Step 2: Convert to fraction form
    139,331.82/209,005.68 = 44,570.34/x
  3. Step 3: Cross multiply
    139,331.82x = 209,005.68 × 44,570.34
  4. Step 4: Simplify right side
    139,331.82x = 9,315,454,219.53
  5. Step 5: Solve for x
    x = 9,315,454,219.53/139,331.82
  6. Step 6: Final answer
    x = 66,858.05

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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.