Home / 188,725.29-260,355.08-112,200.96

Finding the Fourth Proportional to 188,725.29, 260,355.08 and 112,200.96

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Solution

The fourth proportional to 188,725.29, 260,355.08 and 112,200.96 is: 154,786.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,725.29 : 260,355.08 = 112,200.96 : x
  2. Step 2: Convert to fraction form
    188,725.29/260,355.08 = 112,200.96/x
  3. Step 3: Cross multiply
    188,725.29x = 260,355.08 × 112,200.96
  4. Step 4: Simplify right side
    188,725.29x = 29,212,090,858.15
  5. Step 5: Solve for x
    x = 29,212,090,858.15/188,725.29
  6. Step 6: Final answer
    x = 154,786.31

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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.