Home / 106,144.40-159,216.60-68,746.70

Finding the Fourth Proportional to 106,144.40, 159,216.60 and 68,746.70

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Solution

The fourth proportional to 106,144.40, 159,216.60 and 68,746.70 is: 103,120.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,144.40 : 159,216.60 = 68,746.70 : x
  2. Step 2: Convert to fraction form
    106,144.40/159,216.60 = 68,746.70/x
  3. Step 3: Cross multiply
    106,144.40x = 159,216.60 × 68,746.70
  4. Step 4: Simplify right side
    106,144.40x = 10,945,615,835.22
  5. Step 5: Solve for x
    x = 10,945,615,835.22/106,144.40
  6. Step 6: Final answer
    x = 103,120.05

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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.