Home / 263,531.90-363,674.16-142,673.21

Finding the Fourth Proportional to 263,531.90, 363,674.16 and 142,673.21

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Solution

The fourth proportional to 263,531.90, 363,674.16 and 142,673.21 is: 196,889.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,531.90 : 363,674.16 = 142,673.21 : x
  2. Step 2: Convert to fraction form
    263,531.90/363,674.16 = 142,673.21/x
  3. Step 3: Cross multiply
    263,531.90x = 363,674.16 × 142,673.21
  4. Step 4: Simplify right side
    263,531.90x = 51,886,559,801.25
  5. Step 5: Solve for x
    x = 51,886,559,801.25/263,531.90
  6. Step 6: Final answer
    x = 196,889.10

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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.