Home / 122,972.20-184,458.30-112,863.40

Finding the Fourth Proportional to 122,972.20, 184,458.30 and 112,863.40

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Solution

The fourth proportional to 122,972.20, 184,458.30 and 112,863.40 is: 169,295.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,972.20 : 184,458.30 = 112,863.40 : x
  2. Step 2: Convert to fraction form
    122,972.20/184,458.30 = 112,863.40/x
  3. Step 3: Cross multiply
    122,972.20x = 184,458.30 × 112,863.40
  4. Step 4: Simplify right side
    122,972.20x = 20,818,590,896.22
  5. Step 5: Solve for x
    x = 20,818,590,896.22/122,972.20
  6. Step 6: Final answer
    x = 169,295.10

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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.