Home / 143,268.12-214,903.80-43,427.52

Finding the Fourth Proportional to 143,268.12, 214,903.80 and 43,427.52

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Solution

The fourth proportional to 143,268.12, 214,903.80 and 43,427.52 is: 65,141.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,268.12 : 214,903.80 = 43,427.52 : x
  2. Step 2: Convert to fraction form
    143,268.12/214,903.80 = 43,427.52/x
  3. Step 3: Cross multiply
    143,268.12x = 214,903.80 × 43,427.52
  4. Step 4: Simplify right side
    143,268.12x = 9,332,739,072.58
  5. Step 5: Solve for x
    x = 9,332,739,072.58/143,268.12
  6. Step 6: Final answer
    x = 65,141.77

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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.