Home / 197,308.16-295,932.96-72,620

Finding the Fourth Proportional to 197,308.16, 295,932.96 and 72,620

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Solution

The fourth proportional to 197,308.16, 295,932.96 and 72,620 is: 108,919.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,308.16 : 295,932.96 = 72,620 : x
  2. Step 2: Convert to fraction form
    197,308.16/295,932.96 = 72,620/x
  3. Step 3: Cross multiply
    197,308.16x = 295,932.96 × 72,620
  4. Step 4: Simplify right side
    197,308.16x = 21,490,651,555.20
  5. Step 5: Solve for x
    x = 21,490,651,555.20/197,308.16
  6. Step 6: Final answer
    x = 108,919.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.