Home / 143,954.05-214,453.65-137,477.14

Finding the Fourth Proportional to 143,954.05, 214,453.65 and 137,477.14

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Solution

The fourth proportional to 143,954.05, 214,453.65 and 137,477.14 is: 204,804.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,954.05 : 214,453.65 = 137,477.14 : x
  2. Step 2: Convert to fraction form
    143,954.05/214,453.65 = 137,477.14/x
  3. Step 3: Cross multiply
    143,954.05x = 214,453.65 × 137,477.14
  4. Step 4: Simplify right side
    143,954.05x = 29,482,474,464.56
  5. Step 5: Solve for x
    x = 29,482,474,464.56/143,954.05
  6. Step 6: Final answer
    x = 204,804.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.