Home / 263,631.83-363,810.09-142,770.35

Finding the Fourth Proportional to 263,631.83, 363,810.09 and 142,770.35

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Solution

The fourth proportional to 263,631.83, 363,810.09 and 142,770.35 is: 197,022.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,631.83 : 363,810.09 = 142,770.35 : x
  2. Step 2: Convert to fraction form
    263,631.83/363,810.09 = 142,770.35/x
  3. Step 3: Cross multiply
    263,631.83x = 363,810.09 × 142,770.35
  4. Step 4: Simplify right side
    263,631.83x = 51,941,292,063.78
  5. Step 5: Solve for x
    x = 51,941,292,063.78/263,631.83
  6. Step 6: Final answer
    x = 197,022.09

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1.5x scale

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.