Home / 122,968.20-184,452.30-70,480.20

Finding the Fourth Proportional to 122,968.20, 184,452.30 and 70,480.20

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Solution

The fourth proportional to 122,968.20, 184,452.30 and 70,480.20 is: 105,720.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,968.20 : 184,452.30 = 70,480.20 : x
  2. Step 2: Convert to fraction form
    122,968.20/184,452.30 = 70,480.20/x
  3. Step 3: Cross multiply
    122,968.20x = 184,452.30 × 70,480.20
  4. Step 4: Simplify right side
    122,968.20x = 13,000,234,994.46
  5. Step 5: Solve for x
    x = 13,000,234,994.46/122,968.20
  6. Step 6: Final answer
    x = 105,720.30

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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.