Home / 184,590.05-276,701.07-78,000.89

Finding the Fourth Proportional to 184,590.05, 276,701.07 and 78,000.89

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Solution

The fourth proportional to 184,590.05, 276,701.07 and 78,000.89 is: 116,923.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,590.05 : 276,701.07 = 78,000.89 : x
  2. Step 2: Convert to fraction form
    184,590.05/276,701.07 = 78,000.89/x
  3. Step 3: Cross multiply
    184,590.05x = 276,701.07 × 78,000.89
  4. Step 4: Simplify right side
    184,590.05x = 21,582,929,723.95
  5. Step 5: Solve for x
    x = 21,582,929,723.95/184,590.05
  6. Step 6: Final answer
    x = 116,923.58

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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.