Home / 195,042.20-292,037.50-127,406.72

Finding the Fourth Proportional to 195,042.20, 292,037.50 and 127,406.72

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Solution

The fourth proportional to 195,042.20, 292,037.50 and 127,406.72 is: 190,766.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,042.20 : 292,037.50 = 127,406.72 : x
  2. Step 2: Convert to fraction form
    195,042.20/292,037.50 = 127,406.72/x
  3. Step 3: Cross multiply
    195,042.20x = 292,037.50 × 127,406.72
  4. Step 4: Simplify right side
    195,042.20x = 37,207,539,992
  5. Step 5: Solve for x
    x = 37,207,539,992/195,042.20
  6. Step 6: Final answer
    x = 190,766.61

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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.