Home / 110,040.36-165,154.83-109,212.03

Finding the Fourth Proportional to 110,040.36, 165,154.83 and 109,212.03

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Solution

The fourth proportional to 110,040.36, 165,154.83 and 109,212.03 is: 163,911.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,040.36 : 165,154.83 = 109,212.03 : x
  2. Step 2: Convert to fraction form
    110,040.36/165,154.83 = 109,212.03/x
  3. Step 3: Cross multiply
    110,040.36x = 165,154.83 × 109,212.03
  4. Step 4: Simplify right side
    110,040.36x = 18,036,894,248.60
  5. Step 5: Solve for x
    x = 18,036,894,248.60/110,040.36
  6. Step 6: Final answer
    x = 163,911.63

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1.5x scale

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.