Home / 122,156.27-168,658.04-76,285.97

Finding the Fourth Proportional to 122,156.27, 168,658.04 and 76,285.97

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Solution

The fourth proportional to 122,156.27, 168,658.04 and 76,285.97 is: 105,326.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,156.27 : 168,658.04 = 76,285.97 : x
  2. Step 2: Convert to fraction form
    122,156.27/168,658.04 = 76,285.97/x
  3. Step 3: Cross multiply
    122,156.27x = 168,658.04 × 76,285.97
  4. Step 4: Simplify right side
    122,156.27x = 12,866,242,179.70
  5. Step 5: Solve for x
    x = 12,866,242,179.70/122,156.27
  6. Step 6: Final answer
    x = 105,326.09

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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.