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Finding the Fourth Proportional to 164,692.80, 246,872.64 and 64,923.36

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Solution

The fourth proportional to 164,692.80, 246,872.64 and 64,923.36 is: 97,319.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,692.80 : 246,872.64 = 64,923.36 : x
  2. Step 2: Convert to fraction form
    164,692.80/246,872.64 = 64,923.36/x
  3. Step 3: Cross multiply
    164,692.80x = 246,872.64 × 64,923.36
  4. Step 4: Simplify right side
    164,692.80x = 16,027,801,280.87
  5. Step 5: Solve for x
    x = 16,027,801,280.87/164,692.80
  6. Step 6: Final answer
    x = 97,319.38

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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.