Home / 74,108.34-102,269.46-40,574.34

Finding the Fourth Proportional to 74,108.34, 102,269.46 and 40,574.34

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Solution

The fourth proportional to 74,108.34, 102,269.46 and 40,574.34 is: 55,992.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,108.34 : 102,269.46 = 40,574.34 : x
  2. Step 2: Convert to fraction form
    74,108.34/102,269.46 = 40,574.34/x
  3. Step 3: Cross multiply
    74,108.34x = 102,269.46 × 40,574.34
  4. Step 4: Simplify right side
    74,108.34x = 4,149,515,841.66
  5. Step 5: Solve for x
    x = 4,149,515,841.66/74,108.34
  6. Step 6: Final answer
    x = 55,992.56

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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.