Home / 263,724.53-363,939.68-142,866.25

Finding the Fourth Proportional to 263,724.53, 363,939.68 and 142,866.25

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Solution

The fourth proportional to 263,724.53, 363,939.68 and 142,866.25 is: 197,155.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,724.53 : 363,939.68 = 142,866.25 : x
  2. Step 2: Convert to fraction form
    263,724.53/363,939.68 = 142,866.25/x
  3. Step 3: Cross multiply
    263,724.53x = 363,939.68 × 142,866.25
  4. Step 4: Simplify right side
    263,724.53x = 51,994,696,755.12
  5. Step 5: Solve for x
    x = 51,994,696,755.12/263,724.53
  6. Step 6: Final answer
    x = 197,155.33

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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.