Home / 200,290.65-300,452.31-87,955.26

Finding the Fourth Proportional to 200,290.65, 300,452.31 and 87,955.26

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Solution

The fourth proportional to 200,290.65, 300,452.31 and 87,955.26 is: 131,940.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,290.65 : 300,452.31 = 87,955.26 : x
  2. Step 2: Convert to fraction form
    200,290.65/300,452.31 = 87,955.26/x
  3. Step 3: Cross multiply
    200,290.65x = 300,452.31 × 87,955.26
  4. Step 4: Simplify right side
    200,290.65x = 26,426,361,043.65
  5. Step 5: Solve for x
    x = 26,426,361,043.65/200,290.65
  6. Step 6: Final answer
    x = 131,940.06

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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.