Home / 112,455.03-168,710.24-79,239.97

Finding the Fourth Proportional to 112,455.03, 168,710.24 and 79,239.97

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Solution

The fourth proportional to 112,455.03, 168,710.24 and 79,239.97 is: 118,879.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,455.03 : 168,710.24 = 79,239.97 : x
  2. Step 2: Convert to fraction form
    112,455.03/168,710.24 = 79,239.97/x
  3. Step 3: Cross multiply
    112,455.03x = 168,710.24 × 79,239.97
  4. Step 4: Simplify right side
    112,455.03x = 13,368,594,765.28
  5. Step 5: Solve for x
    x = 13,368,594,765.28/112,455.03
  6. Step 6: Final answer
    x = 118,879.47

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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.