Home / 260,640.26-390,992.58-92,125.83

Finding the Fourth Proportional to 260,640.26, 390,992.58 and 92,125.83

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Solution

The fourth proportional to 260,640.26, 390,992.58 and 92,125.83 is: 138,200.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,640.26 : 390,992.58 = 92,125.83 : x
  2. Step 2: Convert to fraction form
    260,640.26/390,992.58 = 92,125.83/x
  3. Step 3: Cross multiply
    260,640.26x = 390,992.58 × 92,125.83
  4. Step 4: Simplify right side
    260,640.26x = 36,020,516,452.45
  5. Step 5: Solve for x
    x = 36,020,516,452.45/260,640.26
  6. Step 6: Final answer
    x = 138,200.13

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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.