Home / 74,144.56-102,319.34-40,152.94

Finding the Fourth Proportional to 74,144.56, 102,319.34 and 40,152.94

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Solution

The fourth proportional to 74,144.56, 102,319.34 and 40,152.94 is: 55,410.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,144.56 : 102,319.34 = 40,152.94 : x
  2. Step 2: Convert to fraction form
    74,144.56/102,319.34 = 40,152.94/x
  3. Step 3: Cross multiply
    74,144.56x = 102,319.34 × 40,152.94
  4. Step 4: Simplify right side
    74,144.56x = 4,108,422,297.19
  5. Step 5: Solve for x
    x = 4,108,422,297.19/74,144.56
  6. Step 6: Final answer
    x = 55,410.98

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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.