Home / 106,156.26-159,216.30-100,300.50

Finding the Fourth Proportional to 106,156.26, 159,216.30 and 100,300.50

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Solution

The fourth proportional to 106,156.26, 159,216.30 and 100,300.50 is: 150,433.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,156.26 : 159,216.30 = 100,300.50 : x
  2. Step 2: Convert to fraction form
    106,156.26/159,216.30 = 100,300.50/x
  3. Step 3: Cross multiply
    106,156.26x = 159,216.30 × 100,300.50
  4. Step 4: Simplify right side
    106,156.26x = 15,969,474,498.15
  5. Step 5: Solve for x
    x = 15,969,474,498.15/106,156.26
  6. Step 6: Final answer
    x = 150,433.66

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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.