Home / 149,128.59-223,692.87-54,365.88

Finding the Fourth Proportional to 149,128.59, 223,692.87 and 54,365.88

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Solution

The fourth proportional to 149,128.59, 223,692.87 and 54,365.88 is: 81,548.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,128.59 : 223,692.87 = 54,365.88 : x
  2. Step 2: Convert to fraction form
    149,128.59/223,692.87 = 54,365.88/x
  3. Step 3: Cross multiply
    149,128.59x = 223,692.87 × 54,365.88
  4. Step 4: Simplify right side
    149,128.59x = 12,161,259,727.28
  5. Step 5: Solve for x
    x = 12,161,259,727.28/149,128.59
  6. Step 6: Final answer
    x = 81,548.81

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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.