Home / 189,320.72-261,265.44-104,435.96

Finding the Fourth Proportional to 189,320.72, 261,265.44 and 104,435.96

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Solution

The fourth proportional to 189,320.72, 261,265.44 and 104,435.96 is: 144,123.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,320.72 : 261,265.44 = 104,435.96 : x
  2. Step 2: Convert to fraction form
    189,320.72/261,265.44 = 104,435.96/x
  3. Step 3: Cross multiply
    189,320.72x = 261,265.44 × 104,435.96
  4. Step 4: Simplify right side
    189,320.72x = 27,285,507,041.22
  5. Step 5: Solve for x
    x = 27,285,507,041.22/189,320.72
  6. Step 6: Final answer
    x = 144,123.19

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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.