Home / 112,468.73-168,639.30-45,830.84

Finding the Fourth Proportional to 112,468.73, 168,639.30 and 45,830.84

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Solution

The fourth proportional to 112,468.73, 168,639.30 and 45,830.84 is: 68,720.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,468.73 : 168,639.30 = 45,830.84 : x
  2. Step 2: Convert to fraction form
    112,468.73/168,639.30 = 45,830.84/x
  3. Step 3: Cross multiply
    112,468.73x = 168,639.30 × 45,830.84
  4. Step 4: Simplify right side
    112,468.73x = 7,728,879,932.82
  5. Step 5: Solve for x
    x = 7,728,879,932.82/112,468.73
  6. Step 6: Final answer
    x = 68,720.26

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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.