Home / 189,441.48-261,427.94-104,558.56

Finding the Fourth Proportional to 189,441.48, 261,427.94 and 104,558.56

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Solution

The fourth proportional to 189,441.48, 261,427.94 and 104,558.56 is: 144,290.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,441.48 : 261,427.94 = 104,558.56 : x
  2. Step 2: Convert to fraction form
    189,441.48/261,427.94 = 104,558.56/x
  3. Step 3: Cross multiply
    189,441.48x = 261,427.94 × 104,558.56
  4. Step 4: Simplify right side
    189,441.48x = 27,334,528,950.17
  5. Step 5: Solve for x
    x = 27,334,528,950.17/189,441.48
  6. Step 6: Final answer
    x = 144,290.09

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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.