Home / 189,447.60-261,436.43-104,564.66

Finding the Fourth Proportional to 189,447.60, 261,436.43 and 104,564.66

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Solution

The fourth proportional to 189,447.60, 261,436.43 and 104,564.66 is: 144,298.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,447.60 : 261,436.43 = 104,564.66 : x
  2. Step 2: Convert to fraction form
    189,447.60/261,436.43 = 104,564.66/x
  3. Step 3: Cross multiply
    189,447.60x = 261,436.43 × 104,564.66
  4. Step 4: Simplify right side
    189,447.60x = 27,337,010,891.74
  5. Step 5: Solve for x
    x = 27,337,010,891.74/189,447.60
  6. Step 6: Final answer
    x = 144,298.53

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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.