Home / 261,504.15-392,314.91-84,021.27

Finding the Fourth Proportional to 261,504.15, 392,314.91 and 84,021.27

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Solution

The fourth proportional to 261,504.15, 392,314.91 and 84,021.27 is: 126,050.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,504.15 : 392,314.91 = 84,021.27 : x
  2. Step 2: Convert to fraction form
    261,504.15/392,314.91 = 84,021.27/x
  3. Step 3: Cross multiply
    261,504.15x = 392,314.91 × 84,021.27
  4. Step 4: Simplify right side
    261,504.15x = 32,962,796,558.03
  5. Step 5: Solve for x
    x = 32,962,796,558.03/261,504.15
  6. Step 6: Final answer
    x = 126,050.76

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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.