Home / 261,634.24-392,516.97-103,810.60

Finding the Fourth Proportional to 261,634.24, 392,516.97 and 103,810.60

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Solution

The fourth proportional to 261,634.24, 392,516.97 and 103,810.60 is: 155,741.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,634.24 : 392,516.97 = 103,810.60 : x
  2. Step 2: Convert to fraction form
    261,634.24/392,516.97 = 103,810.60/x
  3. Step 3: Cross multiply
    261,634.24x = 392,516.97 × 103,810.60
  4. Step 4: Simplify right side
    261,634.24x = 40,747,422,165.88
  5. Step 5: Solve for x
    x = 40,747,422,165.88/261,634.24
  6. Step 6: Final answer
    x = 155,741.93

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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.