Home / 228,237.62-342,503.30-123,129.14

Finding the Fourth Proportional to 228,237.62, 342,503.30 and 123,129.14

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Solution

The fourth proportional to 228,237.62, 342,503.30 and 123,129.14 is: 184,772.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,237.62 : 342,503.30 = 123,129.14 : x
  2. Step 2: Convert to fraction form
    228,237.62/342,503.30 = 123,129.14/x
  3. Step 3: Cross multiply
    228,237.62x = 342,503.30 × 123,129.14
  4. Step 4: Simplify right side
    228,237.62x = 42,172,135,371.47
  5. Step 5: Solve for x
    x = 42,172,135,371.47/228,237.62
  6. Step 6: Final answer
    x = 184,772.94

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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.