Home / 189,584.46-261,628.11-104,702.94

Finding the Fourth Proportional to 189,584.46, 261,628.11 and 104,702.94

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Solution

The fourth proportional to 189,584.46, 261,628.11 and 104,702.94 is: 144,490.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,584.46 : 261,628.11 = 104,702.94 : x
  2. Step 2: Convert to fraction form
    189,584.46/261,628.11 = 104,702.94/x
  3. Step 3: Cross multiply
    189,584.46x = 261,628.11 × 104,702.94
  4. Step 4: Simplify right side
    189,584.46x = 27,393,232,303.64
  5. Step 5: Solve for x
    x = 27,393,232,303.64/189,584.46
  6. Step 6: Final answer
    x = 144,490.92

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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.