Home / 142,921.01-214,383.33-54,150.67

Finding the Fourth Proportional to 142,921.01, 214,383.33 and 54,150.67

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Solution

The fourth proportional to 142,921.01, 214,383.33 and 54,150.67 is: 81,226.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,921.01 : 214,383.33 = 54,150.67 : x
  2. Step 2: Convert to fraction form
    142,921.01/214,383.33 = 54,150.67/x
  3. Step 3: Cross multiply
    142,921.01x = 214,383.33 × 54,150.67
  4. Step 4: Simplify right side
    142,921.01x = 11,609,000,956.33
  5. Step 5: Solve for x
    x = 11,609,000,956.33/142,921.01
  6. Step 6: Final answer
    x = 81,226.69

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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.