Home / 257,554.08-355,418.01-142,833.24

Finding the Fourth Proportional to 257,554.08, 355,418.01 and 142,833.24

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Solution

The fourth proportional to 257,554.08, 355,418.01 and 142,833.24 is: 197,106.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,554.08 : 355,418.01 = 142,833.24 : x
  2. Step 2: Convert to fraction form
    257,554.08/355,418.01 = 142,833.24/x
  3. Step 3: Cross multiply
    257,554.08x = 355,418.01 × 142,833.24
  4. Step 4: Simplify right side
    257,554.08x = 50,765,505,922.65
  5. Step 5: Solve for x
    x = 50,765,505,922.65/257,554.08
  6. Step 6: Final answer
    x = 197,106.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.