Home / 171,976.40-257,964.60-165,087.35

Finding the Fourth Proportional to 171,976.40, 257,964.60 and 165,087.35

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Solution

The fourth proportional to 171,976.40, 257,964.60 and 165,087.35 is: 247,631.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,976.40 : 257,964.60 = 165,087.35 : x
  2. Step 2: Convert to fraction form
    171,976.40/257,964.60 = 165,087.35/x
  3. Step 3: Cross multiply
    171,976.40x = 257,964.60 × 165,087.35
  4. Step 4: Simplify right side
    171,976.40x = 42,586,692,207.81
  5. Step 5: Solve for x
    x = 42,586,692,207.81/171,976.40
  6. Step 6: Final answer
    x = 247,631.03

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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.