Home / 260,022.96-390,019.59-100,067.13

Finding the Fourth Proportional to 260,022.96, 390,019.59 and 100,067.13

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Solution

The fourth proportional to 260,022.96, 390,019.59 and 100,067.13 is: 150,094.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,022.96 : 390,019.59 = 100,067.13 : x
  2. Step 2: Convert to fraction form
    260,022.96/390,019.59 = 100,067.13/x
  3. Step 3: Cross multiply
    260,022.96x = 390,019.59 × 100,067.13
  4. Step 4: Simplify right side
    260,022.96x = 39,028,141,015.08
  5. Step 5: Solve for x
    x = 39,028,141,015.08/260,022.96
  6. Step 6: Final answer
    x = 150,094.98

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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.