Home / 260,150.30-390,219.98-119,908.92

Finding the Fourth Proportional to 260,150.30, 390,219.98 and 119,908.92

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Solution

The fourth proportional to 260,150.30, 390,219.98 and 119,908.92 is: 179,860.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,150.30 : 390,219.98 = 119,908.92 : x
  2. Step 2: Convert to fraction form
    260,150.30/390,219.98 = 119,908.92/x
  3. Step 3: Cross multiply
    260,150.30x = 390,219.98 × 119,908.92
  4. Step 4: Simplify right side
    260,150.30x = 46,790,857,902.49
  5. Step 5: Solve for x
    x = 46,790,857,902.49/260,150.30
  6. Step 6: Final answer
    x = 179,860.87

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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.