Home / 263,750.90-363,975.73-142,895.20

Finding the Fourth Proportional to 263,750.90, 363,975.73 and 142,895.20

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Solution

The fourth proportional to 263,750.90, 363,975.73 and 142,895.20 is: 197,195.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,750.90 : 363,975.73 = 142,895.20 : x
  2. Step 2: Convert to fraction form
    263,750.90/363,975.73 = 142,895.20/x
  3. Step 3: Cross multiply
    263,750.90x = 363,975.73 × 142,895.20
  4. Step 4: Simplify right side
    263,750.90x = 52,010,384,733.50
  5. Step 5: Solve for x
    x = 52,010,384,733.50/263,750.90
  6. Step 6: Final answer
    x = 197,195.10

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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.