Home / 100,820.26-151,230.38-35,156.26

Finding the Fourth Proportional to 100,820.26, 151,230.38 and 35,156.26

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Solution

The fourth proportional to 100,820.26, 151,230.38 and 35,156.26 is: 52,734.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,820.26 : 151,230.38 = 35,156.26 : x
  2. Step 2: Convert to fraction form
    100,820.26/151,230.38 = 35,156.26/x
  3. Step 3: Cross multiply
    100,820.26x = 151,230.38 × 35,156.26
  4. Step 4: Simplify right side
    100,820.26x = 5,316,694,559.18
  5. Step 5: Solve for x
    x = 5,316,694,559.18/100,820.26
  6. Step 6: Final answer
    x = 52,734.39

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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.