Home / 102,942.73-154,325.23-39,807.08

Finding the Fourth Proportional to 102,942.73, 154,325.23 and 39,807.08

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Solution

The fourth proportional to 102,942.73, 154,325.23 and 39,807.08 is: 59,676.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,942.73 : 154,325.23 = 39,807.08 : x
  2. Step 2: Convert to fraction form
    102,942.73/154,325.23 = 39,807.08/x
  3. Step 3: Cross multiply
    102,942.73x = 154,325.23 × 39,807.08
  4. Step 4: Simplify right side
    102,942.73x = 6,143,236,776.63
  5. Step 5: Solve for x
    x = 6,143,236,776.63/102,942.73
  6. Step 6: Final answer
    x = 59,676.26

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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.