Home / 189,643.04-261,703.68-104,759.36

Finding the Fourth Proportional to 189,643.04, 261,703.68 and 104,759.36

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Solution

The fourth proportional to 189,643.04, 261,703.68 and 104,759.36 is: 144,565.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,643.04 : 261,703.68 = 104,759.36 : x
  2. Step 2: Convert to fraction form
    189,643.04/261,703.68 = 104,759.36/x
  3. Step 3: Cross multiply
    189,643.04x = 261,703.68 × 104,759.36
  4. Step 4: Simplify right side
    189,643.04x = 27,415,910,026.44
  5. Step 5: Solve for x
    x = 27,415,910,026.44/189,643.04
  6. Step 6: Final answer
    x = 144,565.86

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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.