Home / 103,127.58-154,679.76-32,990.22

Finding the Fourth Proportional to 103,127.58, 154,679.76 and 32,990.22

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Solution

The fourth proportional to 103,127.58, 154,679.76 and 32,990.22 is: 49,481.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,127.58 : 154,679.76 = 32,990.22 : x
  2. Step 2: Convert to fraction form
    103,127.58/154,679.76 = 32,990.22/x
  3. Step 3: Cross multiply
    103,127.58x = 154,679.76 × 32,990.22
  4. Step 4: Simplify right side
    103,127.58x = 5,102,919,311.95
  5. Step 5: Solve for x
    x = 5,102,919,311.95/103,127.58
  6. Step 6: Final answer
    x = 49,481.62

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1.5x scale

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.