Home / 116,698.08-160,879.68-82,605.12

Finding the Fourth Proportional to 116,698.08, 160,879.68 and 82,605.12

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Solution

The fourth proportional to 116,698.08, 160,879.68 and 82,605.12 is: 113,879.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,698.08 : 160,879.68 = 82,605.12 : x
  2. Step 2: Convert to fraction form
    116,698.08/160,879.68 = 82,605.12/x
  3. Step 3: Cross multiply
    116,698.08x = 160,879.68 × 82,605.12
  4. Step 4: Simplify right side
    116,698.08x = 13,289,485,271.96
  5. Step 5: Solve for x
    x = 13,289,485,271.96/116,698.08
  6. Step 6: Final answer
    x = 113,879.21

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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.