Home / 154,105.74-231,181.09-47,498.60

Finding the Fourth Proportional to 154,105.74, 231,181.09 and 47,498.60

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Solution

The fourth proportional to 154,105.74, 231,181.09 and 47,498.60 is: 71,254.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,105.74 : 231,181.09 = 47,498.60 : x
  2. Step 2: Convert to fraction form
    154,105.74/231,181.09 = 47,498.60/x
  3. Step 3: Cross multiply
    154,105.74x = 231,181.09 × 47,498.60
  4. Step 4: Simplify right side
    154,105.74x = 10,980,778,580.68
  5. Step 5: Solve for x
    x = 10,980,778,580.68/154,105.74
  6. Step 6: Final answer
    x = 71,254.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.