Home / 260,053.56-390,093.86-82,574.48

Finding the Fourth Proportional to 260,053.56, 390,093.86 and 82,574.48

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Solution

The fourth proportional to 260,053.56, 390,093.86 and 82,574.48 is: 123,866.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,053.56 : 390,093.86 = 82,574.48 : x
  2. Step 2: Convert to fraction form
    260,053.56/390,093.86 = 82,574.48/x
  3. Step 3: Cross multiply
    260,053.56x = 390,093.86 × 82,574.48
  4. Step 4: Simplify right side
    260,053.56x = 32,211,797,640.69
  5. Step 5: Solve for x
    x = 32,211,797,640.69/260,053.56
  6. Step 6: Final answer
    x = 123,866.01

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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.