Home / 110,271.60-165,438.84-54,128.58

Finding the Fourth Proportional to 110,271.60, 165,438.84 and 54,128.58

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Solution

The fourth proportional to 110,271.60, 165,438.84 and 54,128.58 is: 81,208.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,271.60 : 165,438.84 = 54,128.58 : x
  2. Step 2: Convert to fraction form
    110,271.60/165,438.84 = 54,128.58/x
  3. Step 3: Cross multiply
    110,271.60x = 165,438.84 × 54,128.58
  4. Step 4: Simplify right side
    110,271.60x = 8,954,969,486.05
  5. Step 5: Solve for x
    x = 8,954,969,486.05/110,271.60
  6. Step 6: Final answer
    x = 81,208.30

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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.