Home / 122,949.60-184,424.40-120,981.30

Finding the Fourth Proportional to 122,949.60, 184,424.40 and 120,981.30

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Solution

The fourth proportional to 122,949.60, 184,424.40 and 120,981.30 is: 181,471.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,949.60 : 184,424.40 = 120,981.30 : x
  2. Step 2: Convert to fraction form
    122,949.60/184,424.40 = 120,981.30/x
  3. Step 3: Cross multiply
    122,949.60x = 184,424.40 × 120,981.30
  4. Step 4: Simplify right side
    122,949.60x = 22,311,903,663.72
  5. Step 5: Solve for x
    x = 22,311,903,663.72/122,949.60
  6. Step 6: Final answer
    x = 181,471.95

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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.