Home / 122,821.60-184,232.40-102,085.60

Finding the Fourth Proportional to 122,821.60, 184,232.40 and 102,085.60

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Solution

The fourth proportional to 122,821.60, 184,232.40 and 102,085.60 is: 153,128.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,821.60 : 184,232.40 = 102,085.60 : x
  2. Step 2: Convert to fraction form
    122,821.60/184,232.40 = 102,085.60/x
  3. Step 3: Cross multiply
    122,821.60x = 184,232.40 × 102,085.60
  4. Step 4: Simplify right side
    122,821.60x = 18,807,475,093.44
  5. Step 5: Solve for x
    x = 18,807,475,093.44/122,821.60
  6. Step 6: Final answer
    x = 153,128.40

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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.