Home / 261,914.28-392,896.74-104,107.32

Finding the Fourth Proportional to 261,914.28, 392,896.74 and 104,107.32

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Solution

The fourth proportional to 261,914.28, 392,896.74 and 104,107.32 is: 156,171.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,914.28 : 392,896.74 = 104,107.32 : x
  2. Step 2: Convert to fraction form
    261,914.28/392,896.74 = 104,107.32/x
  3. Step 3: Cross multiply
    261,914.28x = 392,896.74 × 104,107.32
  4. Step 4: Simplify right side
    261,914.28x = 40,903,426,638.14
  5. Step 5: Solve for x
    x = 40,903,426,638.14/261,914.28
  6. Step 6: Final answer
    x = 156,171.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.