Home / 122,271.81-168,732.93-68,556.66

Finding the Fourth Proportional to 122,271.81, 168,732.93 and 68,556.66

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Solution

The fourth proportional to 122,271.81, 168,732.93 and 68,556.66 is: 94,606.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,271.81 : 168,732.93 = 68,556.66 : x
  2. Step 2: Convert to fraction form
    122,271.81/168,732.93 = 68,556.66/x
  3. Step 3: Cross multiply
    122,271.81x = 168,732.93 × 68,556.66
  4. Step 4: Simplify right side
    122,271.81x = 11,567,766,112.81
  5. Step 5: Solve for x
    x = 11,567,766,112.81/122,271.81
  6. Step 6: Final answer
    x = 94,606.98

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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.