Home / 102,915.20-154,245.60-60,752.48

Finding the Fourth Proportional to 102,915.20, 154,245.60 and 60,752.48

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Solution

The fourth proportional to 102,915.20, 154,245.60 and 60,752.48 is: 91,053.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,915.20 : 154,245.60 = 60,752.48 : x
  2. Step 2: Convert to fraction form
    102,915.20/154,245.60 = 60,752.48/x
  3. Step 3: Cross multiply
    102,915.20x = 154,245.60 × 60,752.48
  4. Step 4: Simplify right side
    102,915.20x = 9,370,802,729.09
  5. Step 5: Solve for x
    x = 9,370,802,729.09/102,915.20
  6. Step 6: Final answer
    x = 91,053.63

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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.