Home / 143,114.80-197,362.42-104,317.36

Finding the Fourth Proportional to 143,114.80, 197,362.42 and 104,317.36

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Solution

The fourth proportional to 143,114.80, 197,362.42 and 104,317.36 is: 143,858.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,114.80 : 197,362.42 = 104,317.36 : x
  2. Step 2: Convert to fraction form
    143,114.80/197,362.42 = 104,317.36/x
  3. Step 3: Cross multiply
    143,114.80x = 197,362.42 × 104,317.36
  4. Step 4: Simplify right side
    143,114.80x = 20,588,326,617.61
  5. Step 5: Solve for x
    x = 20,588,326,617.61/143,114.80
  6. Step 6: Final answer
    x = 143,858.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.