Home / 123,235.60-184,853.40-40,129.60

Finding the Fourth Proportional to 123,235.60, 184,853.40 and 40,129.60

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Solution

The fourth proportional to 123,235.60, 184,853.40 and 40,129.60 is: 60,194.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,235.60 : 184,853.40 = 40,129.60 : x
  2. Step 2: Convert to fraction form
    123,235.60/184,853.40 = 40,129.60/x
  3. Step 3: Cross multiply
    123,235.60x = 184,853.40 × 40,129.60
  4. Step 4: Simplify right side
    123,235.60x = 7,418,093,000.64
  5. Step 5: Solve for x
    x = 7,418,093,000.64/123,235.60
  6. Step 6: Final answer
    x = 60,194.40

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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.