Home / 74,148.32-102,247.98-51,512.96

Finding the Fourth Proportional to 74,148.32, 102,247.98 and 51,512.96

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Solution

The fourth proportional to 74,148.32, 102,247.98 and 51,512.96 is: 71,034.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,148.32 : 102,247.98 = 51,512.96 : x
  2. Step 2: Convert to fraction form
    74,148.32/102,247.98 = 51,512.96/x
  3. Step 3: Cross multiply
    74,148.32x = 102,247.98 × 51,512.96
  4. Step 4: Simplify right side
    74,148.32x = 5,267,096,103.82
  5. Step 5: Solve for x
    x = 5,267,096,103.82/74,148.32
  6. Step 6: Final answer
    x = 71,034.60

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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.