Home / 122,067.60-168,438.54-68,348.40

Finding the Fourth Proportional to 122,067.60, 168,438.54 and 68,348.40

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Solution

The fourth proportional to 122,067.60, 168,438.54 and 68,348.40 is: 94,312.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,067.60 : 168,438.54 = 68,348.40 : x
  2. Step 2: Convert to fraction form
    122,067.60/168,438.54 = 68,348.40/x
  3. Step 3: Cross multiply
    122,067.60x = 168,438.54 × 68,348.40
  4. Step 4: Simplify right side
    122,067.60x = 11,512,504,707.34
  5. Step 5: Solve for x
    x = 11,512,504,707.34/122,067.60
  6. Step 6: Final answer
    x = 94,312.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.