Home / 197,145.10-295,759.77-72,486.10

Finding the Fourth Proportional to 197,145.10, 295,759.77 and 72,486.10

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Solution

The fourth proportional to 197,145.10, 295,759.77 and 72,486.10 is: 108,744.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,145.10 : 295,759.77 = 72,486.10 : x
  2. Step 2: Convert to fraction form
    197,145.10/295,759.77 = 72,486.10/x
  3. Step 3: Cross multiply
    197,145.10x = 295,759.77 × 72,486.10
  4. Step 4: Simplify right side
    197,145.10x = 21,438,472,264.20
  5. Step 5: Solve for x
    x = 21,438,472,264.20/197,145.10
  6. Step 6: Final answer
    x = 108,744.64

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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.