Home / 122,100.60-183,123.18-43,214.79

Finding the Fourth Proportional to 122,100.60, 183,123.18 and 43,214.79

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Solution

The fourth proportional to 122,100.60, 183,123.18 and 43,214.79 is: 64,812.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,100.60 : 183,123.18 = 43,214.79 : x
  2. Step 2: Convert to fraction form
    122,100.60/183,123.18 = 43,214.79/x
  3. Step 3: Cross multiply
    122,100.60x = 183,123.18 × 43,214.79
  4. Step 4: Simplify right side
    122,100.60x = 7,913,629,767.83
  5. Step 5: Solve for x
    x = 7,913,629,767.83/122,100.60
  6. Step 6: Final answer
    x = 64,812.37

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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.