Home / 142,961.72-214,441.26-36,345.92

Finding the Fourth Proportional to 142,961.72, 214,441.26 and 36,345.92

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Solution

The fourth proportional to 142,961.72, 214,441.26 and 36,345.92 is: 54,518.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,961.72 : 214,441.26 = 36,345.92 : x
  2. Step 2: Convert to fraction form
    142,961.72/214,441.26 = 36,345.92/x
  3. Step 3: Cross multiply
    142,961.72x = 214,441.26 × 36,345.92
  4. Step 4: Simplify right side
    142,961.72x = 7,794,064,880.66
  5. Step 5: Solve for x
    x = 7,794,064,880.66/142,961.72
  6. Step 6: Final answer
    x = 54,518.54

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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.