Home / 188,226.60-282,450.06-69,979.56

Finding the Fourth Proportional to 188,226.60, 282,450.06 and 69,979.56

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Solution

The fourth proportional to 188,226.60, 282,450.06 and 69,979.56 is: 105,010.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,226.60 : 282,450.06 = 69,979.56 : x
  2. Step 2: Convert to fraction form
    188,226.60/282,450.06 = 69,979.56/x
  3. Step 3: Cross multiply
    188,226.60x = 282,450.06 × 69,979.56
  4. Step 4: Simplify right side
    188,226.60x = 19,765,730,920.77
  5. Step 5: Solve for x
    x = 19,765,730,920.77/188,226.60
  6. Step 6: Final answer
    x = 105,010.30

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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.