Home / 143,181.66-197,590.68-79,525.38

Finding the Fourth Proportional to 143,181.66, 197,590.68 and 79,525.38

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Solution

The fourth proportional to 143,181.66, 197,590.68 and 79,525.38 is: 109,745.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,181.66 : 197,590.68 = 79,525.38 : x
  2. Step 2: Convert to fraction form
    143,181.66/197,590.68 = 79,525.38/x
  3. Step 3: Cross multiply
    143,181.66x = 197,590.68 × 79,525.38
  4. Step 4: Simplify right side
    143,181.66x = 15,713,473,911.46
  5. Step 5: Solve for x
    x = 15,713,473,911.46/143,181.66
  6. Step 6: Final answer
    x = 109,745.02

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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.