Home / 263,567.13-363,721.05-142,705.86

Finding the Fourth Proportional to 263,567.13, 363,721.05 and 142,705.86

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Solution

The fourth proportional to 263,567.13, 363,721.05 and 142,705.86 is: 196,933.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,567.13 : 363,721.05 = 142,705.86 : x
  2. Step 2: Convert to fraction form
    263,567.13/363,721.05 = 142,705.86/x
  3. Step 3: Cross multiply
    263,567.13x = 363,721.05 × 142,705.86
  4. Step 4: Simplify right side
    263,567.13x = 51,905,125,240.35
  5. Step 5: Solve for x
    x = 51,905,125,240.35/263,567.13
  6. Step 6: Final answer
    x = 196,933.23

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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.