Home / 184,743.70-277,223.20-78,121.30

Finding the Fourth Proportional to 184,743.70, 277,223.20 and 78,121.30

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Solution

The fourth proportional to 184,743.70, 277,223.20 and 78,121.30 is: 117,227.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,743.70 : 277,223.20 = 78,121.30 : x
  2. Step 2: Convert to fraction form
    184,743.70/277,223.20 = 78,121.30/x
  3. Step 3: Cross multiply
    184,743.70x = 277,223.20 × 78,121.30
  4. Step 4: Simplify right side
    184,743.70x = 21,657,036,774.16
  5. Step 5: Solve for x
    x = 21,657,036,774.16/184,743.70
  6. Step 6: Final answer
    x = 117,227.47

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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.