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Finding the Fourth Proportional to 92,029.40, 126,998.40 and 60,197.60

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Solution

The fourth proportional to 92,029.40, 126,998.40 and 60,197.60 is: 83,071.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,029.40 : 126,998.40 = 60,197.60 : x
  2. Step 2: Convert to fraction form
    92,029.40/126,998.40 = 60,197.60/x
  3. Step 3: Cross multiply
    92,029.40x = 126,998.40 × 60,197.60
  4. Step 4: Simplify right side
    92,029.40x = 7,644,998,883.84
  5. Step 5: Solve for x
    x = 7,644,998,883.84/92,029.40
  6. Step 6: Final answer
    x = 83,071.27

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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.