Home / 102,677.46-154,016.09-38,647.56

Finding the Fourth Proportional to 102,677.46, 154,016.09 and 38,647.56

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Solution

The fourth proportional to 102,677.46, 154,016.09 and 38,647.56 is: 57,971.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,677.46 : 154,016.09 = 38,647.56 : x
  2. Step 2: Convert to fraction form
    102,677.46/154,016.09 = 38,647.56/x
  3. Step 3: Cross multiply
    102,677.46x = 154,016.09 × 38,647.56
  4. Step 4: Simplify right side
    102,677.46x = 5,952,345,886.00
  5. Step 5: Solve for x
    x = 5,952,345,886.00/102,677.46
  6. Step 6: Final answer
    x = 57,971.30

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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.