Home / 189,832.26-261,973.98-104,954.78

Finding the Fourth Proportional to 189,832.26, 261,973.98 and 104,954.78

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Solution

The fourth proportional to 189,832.26, 261,973.98 and 104,954.78 is: 144,840.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,832.26 : 261,973.98 = 104,954.78 : x
  2. Step 2: Convert to fraction form
    189,832.26/261,973.98 = 104,954.78/x
  3. Step 3: Cross multiply
    189,832.26x = 261,973.98 × 104,954.78
  4. Step 4: Simplify right side
    189,832.26x = 27,495,421,436.62
  5. Step 5: Solve for x
    x = 27,495,421,436.62/189,832.26
  6. Step 6: Final answer
    x = 144,840.62

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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.