Home / 159,104.03-238,639.64-53,920.26

Finding the Fourth Proportional to 159,104.03, 238,639.64 and 53,920.26

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Solution

The fourth proportional to 159,104.03, 238,639.64 and 53,920.26 is: 80,874.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,104.03 : 238,639.64 = 53,920.26 : x
  2. Step 2: Convert to fraction form
    159,104.03/238,639.64 = 53,920.26/x
  3. Step 3: Cross multiply
    159,104.03x = 238,639.64 × 53,920.26
  4. Step 4: Simplify right side
    159,104.03x = 12,867,511,165.51
  5. Step 5: Solve for x
    x = 12,867,511,165.51/159,104.03
  6. Step 6: Final answer
    x = 80,874.83

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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.