Home / 92,122.48-127,128.19-51,835.44

Finding the Fourth Proportional to 92,122.48, 127,128.19 and 51,835.44

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Solution

The fourth proportional to 92,122.48, 127,128.19 and 51,835.44 is: 71,532.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,122.48 : 127,128.19 = 51,835.44 : x
  2. Step 2: Convert to fraction form
    92,122.48/127,128.19 = 51,835.44/x
  3. Step 3: Cross multiply
    92,122.48x = 127,128.19 × 51,835.44
  4. Step 4: Simplify right side
    92,122.48x = 6,589,745,665.05
  5. Step 5: Solve for x
    x = 6,589,745,665.05/92,122.48
  6. Step 6: Final answer
    x = 71,532.44

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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.