Home / 122,968.60-184,452.90-38,739.40

Finding the Fourth Proportional to 122,968.60, 184,452.90 and 38,739.40

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Solution

The fourth proportional to 122,968.60, 184,452.90 and 38,739.40 is: 58,109.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,968.60 : 184,452.90 = 38,739.40 : x
  2. Step 2: Convert to fraction form
    122,968.60/184,452.90 = 38,739.40/x
  3. Step 3: Cross multiply
    122,968.60x = 184,452.90 × 38,739.40
  4. Step 4: Simplify right side
    122,968.60x = 7,145,594,674.26
  5. Step 5: Solve for x
    x = 7,145,594,674.26/122,968.60
  6. Step 6: Final answer
    x = 58,109.10

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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.