Home / 142,785.40-214,181.49-48,016.81

Finding the Fourth Proportional to 142,785.40, 214,181.49 and 48,016.81

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Solution

The fourth proportional to 142,785.40, 214,181.49 and 48,016.81 is: 72,026.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,785.40 : 214,181.49 = 48,016.81 : x
  2. Step 2: Convert to fraction form
    142,785.40/214,181.49 = 48,016.81/x
  3. Step 3: Cross multiply
    142,785.40x = 214,181.49 × 48,016.81
  4. Step 4: Simplify right side
    142,785.40x = 10,284,311,910.85
  5. Step 5: Solve for x
    x = 10,284,311,910.85/142,785.40
  6. Step 6: Final answer
    x = 72,026.36

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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.