Home / 263,513.95-363,649.35-142,655.23

Finding the Fourth Proportional to 263,513.95, 363,649.35 and 142,655.23

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Solution

The fourth proportional to 263,513.95, 363,649.35 and 142,655.23 is: 196,864.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,513.95 : 363,649.35 = 142,655.23 : x
  2. Step 2: Convert to fraction form
    263,513.95/363,649.35 = 142,655.23/x
  3. Step 3: Cross multiply
    263,513.95x = 363,649.35 × 142,655.23
  4. Step 4: Simplify right side
    263,513.95x = 51,876,481,663.60
  5. Step 5: Solve for x
    x = 51,876,481,663.60/263,513.95
  6. Step 6: Final answer
    x = 196,864.27

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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.