Home / 142,850.28-214,289.76-52,917.21

Finding the Fourth Proportional to 142,850.28, 214,289.76 and 52,917.21

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Solution

The fourth proportional to 142,850.28, 214,289.76 and 52,917.21 is: 79,381.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,850.28 : 214,289.76 = 52,917.21 : x
  2. Step 2: Convert to fraction form
    142,850.28/214,289.76 = 52,917.21/x
  3. Step 3: Cross multiply
    142,850.28x = 214,289.76 × 52,917.21
  4. Step 4: Simplify right side
    142,850.28x = 11,339,616,230.77
  5. Step 5: Solve for x
    x = 11,339,616,230.77/142,850.28
  6. Step 6: Final answer
    x = 79,381.13

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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.