Home / 122,994.24-184,258.08-72,968.64

Finding the Fourth Proportional to 122,994.24, 184,258.08 and 72,968.64

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Solution

The fourth proportional to 122,994.24, 184,258.08 and 72,968.64 is: 109,314.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,994.24 : 184,258.08 = 72,968.64 : x
  2. Step 2: Convert to fraction form
    122,994.24/184,258.08 = 72,968.64/x
  3. Step 3: Cross multiply
    122,994.24x = 184,258.08 × 72,968.64
  4. Step 4: Simplify right side
    122,994.24x = 13,445,061,506.61
  5. Step 5: Solve for x
    x = 13,445,061,506.61/122,994.24
  6. Step 6: Final answer
    x = 109,314.56

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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.