Home / 127,210.92-190,422.72-108,315.24

Finding the Fourth Proportional to 127,210.92, 190,422.72 and 108,315.24

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Solution

The fourth proportional to 127,210.92, 190,422.72 and 108,315.24 is: 162,137.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,210.92 : 190,422.72 = 108,315.24 : x
  2. Step 2: Convert to fraction form
    127,210.92/190,422.72 = 108,315.24/x
  3. Step 3: Cross multiply
    127,210.92x = 190,422.72 × 108,315.24
  4. Step 4: Simplify right side
    127,210.92x = 20,625,682,618.25
  5. Step 5: Solve for x
    x = 20,625,682,618.25/127,210.92
  6. Step 6: Final answer
    x = 162,137.67

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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.