Home / 113,871.14-170,692.39-38,940.01

Finding the Fourth Proportional to 113,871.14, 170,692.39 and 38,940.01

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Solution

The fourth proportional to 113,871.14, 170,692.39 and 38,940.01 is: 58,370.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,871.14 : 170,692.39 = 38,940.01 : x
  2. Step 2: Convert to fraction form
    113,871.14/170,692.39 = 38,940.01/x
  3. Step 3: Cross multiply
    113,871.14x = 170,692.39 × 38,940.01
  4. Step 4: Simplify right side
    113,871.14x = 6,646,763,489.54
  5. Step 5: Solve for x
    x = 6,646,763,489.54/113,871.14
  6. Step 6: Final answer
    x = 58,370.93

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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.