Home / 142,013.87-212,817.81-104,277.86

Finding the Fourth Proportional to 142,013.87, 212,817.81 and 104,277.86

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Solution

The fourth proportional to 142,013.87, 212,817.81 and 104,277.86 is: 156,267.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,013.87 : 212,817.81 = 104,277.86 : x
  2. Step 2: Convert to fraction form
    142,013.87/212,817.81 = 104,277.86/x
  3. Step 3: Cross multiply
    142,013.87x = 212,817.81 × 104,277.86
  4. Step 4: Simplify right side
    142,013.87x = 22,192,184,732.60
  5. Step 5: Solve for x
    x = 22,192,184,732.60/142,013.87
  6. Step 6: Final answer
    x = 156,267.73

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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.