Home / 261,904.26-361,427.92-142,672.26

Finding the Fourth Proportional to 261,904.26, 361,427.92 and 142,672.26

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Solution

The fourth proportional to 261,904.26, 361,427.92 and 142,672.26 is: 196,887.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,904.26 : 361,427.92 = 142,672.26 : x
  2. Step 2: Convert to fraction form
    261,904.26/361,427.92 = 142,672.26/x
  3. Step 3: Cross multiply
    261,904.26x = 361,427.92 × 142,672.26
  4. Step 4: Simplify right side
    261,904.26x = 51,565,738,173.50
  5. Step 5: Solve for x
    x = 51,565,738,173.50/261,904.26
  6. Step 6: Final answer
    x = 196,887.74

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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.