Home / 260,727.08-391,343.38-125,886.24

Finding the Fourth Proportional to 260,727.08, 391,343.38 and 125,886.24

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Solution

The fourth proportional to 260,727.08, 391,343.38 and 125,886.24 is: 188,951.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,727.08 : 391,343.38 = 125,886.24 : x
  2. Step 2: Convert to fraction form
    260,727.08/391,343.38 = 125,886.24/x
  3. Step 3: Cross multiply
    260,727.08x = 391,343.38 × 125,886.24
  4. Step 4: Simplify right side
    260,727.08x = 49,264,745,949.83
  5. Step 5: Solve for x
    x = 49,264,745,949.83/260,727.08
  6. Step 6: Final answer
    x = 188,951.40

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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.