Home / 100,855.51-151,282.22-25,975.35

Finding the Fourth Proportional to 100,855.51, 151,282.22 and 25,975.35

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Solution

The fourth proportional to 100,855.51, 151,282.22 and 25,975.35 is: 38,962.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,855.51 : 151,282.22 = 25,975.35 : x
  2. Step 2: Convert to fraction form
    100,855.51/151,282.22 = 25,975.35/x
  3. Step 3: Cross multiply
    100,855.51x = 151,282.22 × 25,975.35
  4. Step 4: Simplify right side
    100,855.51x = 3,929,608,483.40
  5. Step 5: Solve for x
    x = 3,929,608,483.40/100,855.51
  6. Step 6: Final answer
    x = 38,962.76

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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.