Home / 263,670.08-363,865.80-142,812.80

Finding the Fourth Proportional to 263,670.08, 363,865.80 and 142,812.80

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Solution

The fourth proportional to 263,670.08, 363,865.80 and 142,812.80 is: 197,082.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,670.08 : 363,865.80 = 142,812.80 : x
  2. Step 2: Convert to fraction form
    263,670.08/363,865.80 = 142,812.80/x
  3. Step 3: Cross multiply
    263,670.08x = 363,865.80 × 142,812.80
  4. Step 4: Simplify right side
    263,670.08x = 51,964,693,722.24
  5. Step 5: Solve for x
    x = 51,964,693,722.24/263,670.08
  6. Step 6: Final answer
    x = 197,082.25

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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.