Home / 197,145.29-295,860.50-78,849.65

Finding the Fourth Proportional to 197,145.29, 295,860.50 and 78,849.65

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Solution

The fourth proportional to 197,145.29, 295,860.50 and 78,849.65 is: 118,331.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,145.29 : 295,860.50 = 78,849.65 : x
  2. Step 2: Convert to fraction form
    197,145.29/295,860.50 = 78,849.65/x
  3. Step 3: Cross multiply
    197,145.29x = 295,860.50 × 78,849.65
  4. Step 4: Simplify right side
    197,145.29x = 23,328,496,873.83
  5. Step 5: Solve for x
    x = 23,328,496,873.83/197,145.29
  6. Step 6: Final answer
    x = 118,331.49

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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.