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Finding the Fourth Proportional to 189,323.96, 261,262.86 and 104,441

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Solution

The fourth proportional to 189,323.96, 261,262.86 and 104,441 is: 144,126.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,323.96 : 261,262.86 = 104,441 : x
  2. Step 2: Convert to fraction form
    189,323.96/261,262.86 = 104,441/x
  3. Step 3: Cross multiply
    189,323.96x = 261,262.86 × 104,441
  4. Step 4: Simplify right side
    189,323.96x = 27,286,554,361.26
  5. Step 5: Solve for x
    x = 27,286,554,361.26/189,323.96
  6. Step 6: Final answer
    x = 144,126.26

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1.5x scale

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.