Home / 263,743.17-363,965.13-142,887.54

Finding the Fourth Proportional to 263,743.17, 363,965.13 and 142,887.54

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Solution

The fourth proportional to 263,743.17, 363,965.13 and 142,887.54 is: 197,184.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,743.17 : 363,965.13 = 142,887.54 : x
  2. Step 2: Convert to fraction form
    263,743.17/363,965.13 = 142,887.54/x
  3. Step 3: Cross multiply
    263,743.17x = 363,965.13 × 142,887.54
  4. Step 4: Simplify right side
    263,743.17x = 52,006,082,071.48
  5. Step 5: Solve for x
    x = 52,006,082,071.48/263,743.17
  6. Step 6: Final answer
    x = 197,184.56

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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.