Home / 110,043.40-165,065.10-109,387.30

Finding the Fourth Proportional to 110,043.40, 165,065.10 and 109,387.30

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Solution

The fourth proportional to 110,043.40, 165,065.10 and 109,387.30 is: 164,080.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,043.40 : 165,065.10 = 109,387.30 : x
  2. Step 2: Convert to fraction form
    110,043.40/165,065.10 = 109,387.30/x
  3. Step 3: Cross multiply
    110,043.40x = 165,065.10 × 109,387.30
  4. Step 4: Simplify right side
    110,043.40x = 18,056,025,613.23
  5. Step 5: Solve for x
    x = 18,056,025,613.23/110,043.40
  6. Step 6: Final answer
    x = 164,080.95

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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.