Home / 261,842.24-392,904.12-104,072

Finding the Fourth Proportional to 261,842.24, 392,904.12 and 104,072

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Solution

The fourth proportional to 261,842.24, 392,904.12 and 104,072 is: 156,163.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,842.24 : 392,904.12 = 104,072 : x
  2. Step 2: Convert to fraction form
    261,842.24/392,904.12 = 104,072/x
  3. Step 3: Cross multiply
    261,842.24x = 392,904.12 × 104,072
  4. Step 4: Simplify right side
    261,842.24x = 40,890,317,576.64
  5. Step 5: Solve for x
    x = 40,890,317,576.64/261,842.24
  6. Step 6: Final answer
    x = 156,163.95

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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.