Home / 140,150.35-210,100.54-51,383.17

Finding the Fourth Proportional to 140,150.35, 210,100.54 and 51,383.17

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Solution

The fourth proportional to 140,150.35, 210,100.54 and 51,383.17 is: 77,028.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,150.35 : 210,100.54 = 51,383.17 : x
  2. Step 2: Convert to fraction form
    140,150.35/210,100.54 = 51,383.17/x
  3. Step 3: Cross multiply
    140,150.35x = 210,100.54 × 51,383.17
  4. Step 4: Simplify right side
    140,150.35x = 10,795,631,763.91
  5. Step 5: Solve for x
    x = 10,795,631,763.91/140,150.35
  6. Step 6: Final answer
    x = 77,028.93

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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.