Home / 259,702.20-389,504.09-91,182.92

Finding the Fourth Proportional to 259,702.20, 389,504.09 and 91,182.92

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Solution

The fourth proportional to 259,702.20, 389,504.09 and 91,182.92 is: 136,757.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,702.20 : 389,504.09 = 91,182.92 : x
  2. Step 2: Convert to fraction form
    259,702.20/389,504.09 = 91,182.92/x
  3. Step 3: Cross multiply
    259,702.20x = 389,504.09 × 91,182.92
  4. Step 4: Simplify right side
    259,702.20x = 35,516,118,558.58
  5. Step 5: Solve for x
    x = 35,516,118,558.58/259,702.20
  6. Step 6: Final answer
    x = 136,757.10

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1.5x scale

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.