Home / 123,051.20-184,576.80-39,945.20

Finding the Fourth Proportional to 123,051.20, 184,576.80 and 39,945.20

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Solution

The fourth proportional to 123,051.20, 184,576.80 and 39,945.20 is: 59,917.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,051.20 : 184,576.80 = 39,945.20 : x
  2. Step 2: Convert to fraction form
    123,051.20/184,576.80 = 39,945.20/x
  3. Step 3: Cross multiply
    123,051.20x = 184,576.80 × 39,945.20
  4. Step 4: Simplify right side
    123,051.20x = 7,372,957,191.36
  5. Step 5: Solve for x
    x = 7,372,957,191.36/123,051.20
  6. Step 6: Final answer
    x = 59,917.80

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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.