Home / 101,828.40-152,742.60-100,273.20

Finding the Fourth Proportional to 101,828.40, 152,742.60 and 100,273.20

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Solution

The fourth proportional to 101,828.40, 152,742.60 and 100,273.20 is: 150,409.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,828.40 : 152,742.60 = 100,273.20 : x
  2. Step 2: Convert to fraction form
    101,828.40/152,742.60 = 100,273.20/x
  3. Step 3: Cross multiply
    101,828.40x = 152,742.60 × 100,273.20
  4. Step 4: Simplify right side
    101,828.40x = 15,315,989,278.32
  5. Step 5: Solve for x
    x = 15,315,989,278.32/101,828.40
  6. Step 6: Final answer
    x = 150,409.80

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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.