Home / 165,485.28-248,242.56-47,154

Finding the Fourth Proportional to 165,485.28, 248,242.56 and 47,154

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Solution

The fourth proportional to 165,485.28, 248,242.56 and 47,154 is: 70,735.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,485.28 : 248,242.56 = 47,154 : x
  2. Step 2: Convert to fraction form
    165,485.28/248,242.56 = 47,154/x
  3. Step 3: Cross multiply
    165,485.28x = 248,242.56 × 47,154
  4. Step 4: Simplify right side
    165,485.28x = 11,705,629,674.24
  5. Step 5: Solve for x
    x = 11,705,629,674.24/165,485.28
  6. Step 6: Final answer
    x = 70,735.17

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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.