Home / 122,022.72-168,391.42-68,307.84

Finding the Fourth Proportional to 122,022.72, 168,391.42 and 68,307.84

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Solution

The fourth proportional to 122,022.72, 168,391.42 and 68,307.84 is: 94,264.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,022.72 : 168,391.42 = 68,307.84 : x
  2. Step 2: Convert to fraction form
    122,022.72/168,391.42 = 68,307.84/x
  3. Step 3: Cross multiply
    122,022.72x = 168,391.42 × 68,307.84
  4. Step 4: Simplify right side
    122,022.72x = 11,502,454,174.73
  5. Step 5: Solve for x
    x = 11,502,454,174.73/122,022.72
  6. Step 6: Final answer
    x = 94,264.86

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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.