Home / 263,755.22-363,981.65-142,899.75

Finding the Fourth Proportional to 263,755.22, 363,981.65 and 142,899.75

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Solution

The fourth proportional to 263,755.22, 363,981.65 and 142,899.75 is: 197,201.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,755.22 : 363,981.65 = 142,899.75 : x
  2. Step 2: Convert to fraction form
    263,755.22/363,981.65 = 142,899.75/x
  3. Step 3: Cross multiply
    263,755.22x = 363,981.65 × 142,899.75
  4. Step 4: Simplify right side
    263,755.22x = 52,012,886,075.09
  5. Step 5: Solve for x
    x = 52,012,886,075.09/263,755.22
  6. Step 6: Final answer
    x = 197,201.36

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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.