Home / 215,845.60-323,638.80-110,869.60

Finding the Fourth Proportional to 215,845.60, 323,638.80 and 110,869.60

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Solution

The fourth proportional to 215,845.60, 323,638.80 and 110,869.60 is: 166,237.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,845.60 : 323,638.80 = 110,869.60 : x
  2. Step 2: Convert to fraction form
    215,845.60/323,638.80 = 110,869.60/x
  3. Step 3: Cross multiply
    215,845.60x = 323,638.80 × 110,869.60
  4. Step 4: Simplify right side
    215,845.60x = 35,881,704,300.48
  5. Step 5: Solve for x
    x = 35,881,704,300.48/215,845.60
  6. Step 6: Final answer
    x = 166,237.83

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1.5x scale

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.