Home / 112,020.99-167,636.61-69,920.84

Finding the Fourth Proportional to 112,020.99, 167,636.61 and 69,920.84

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Solution

The fourth proportional to 112,020.99, 167,636.61 and 69,920.84 is: 104,634.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,020.99 : 167,636.61 = 69,920.84 : x
  2. Step 2: Convert to fraction form
    112,020.99/167,636.61 = 69,920.84/x
  3. Step 3: Cross multiply
    112,020.99x = 167,636.61 × 69,920.84
  4. Step 4: Simplify right side
    112,020.99x = 11,721,291,747.77
  5. Step 5: Solve for x
    x = 11,721,291,747.77/112,020.99
  6. Step 6: Final answer
    x = 104,634.78

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1.5x scale

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.