Home / 103,072.56-154,601.40-31,993.38

Finding the Fourth Proportional to 103,072.56, 154,601.40 and 31,993.38

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Solution

The fourth proportional to 103,072.56, 154,601.40 and 31,993.38 is: 47,987.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,072.56 : 154,601.40 = 31,993.38 : x
  2. Step 2: Convert to fraction form
    103,072.56/154,601.40 = 31,993.38/x
  3. Step 3: Cross multiply
    103,072.56x = 154,601.40 × 31,993.38
  4. Step 4: Simplify right side
    103,072.56x = 4,946,221,338.73
  5. Step 5: Solve for x
    x = 4,946,221,338.73/103,072.56
  6. Step 6: Final answer
    x = 47,987.76

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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.