Home / 110,145.92-165,215.97-31,260.15

Finding the Fourth Proportional to 110,145.92, 165,215.97 and 31,260.15

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Solution

The fourth proportional to 110,145.92, 165,215.97 and 31,260.15 is: 46,889.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,145.92 : 165,215.97 = 31,260.15 : x
  2. Step 2: Convert to fraction form
    110,145.92/165,215.97 = 31,260.15/x
  3. Step 3: Cross multiply
    110,145.92x = 165,215.97 × 31,260.15
  4. Step 4: Simplify right side
    110,145.92x = 5,164,676,004.60
  5. Step 5: Solve for x
    x = 5,164,676,004.60/110,145.92
  6. Step 6: Final answer
    x = 46,889.40

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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.