Home / 110,211.61-165,157.86-75,982.25

Finding the Fourth Proportional to 110,211.61, 165,157.86 and 75,982.25

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Solution

The fourth proportional to 110,211.61, 165,157.86 and 75,982.25 is: 113,863.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,211.61 : 165,157.86 = 75,982.25 : x
  2. Step 2: Convert to fraction form
    110,211.61/165,157.86 = 75,982.25/x
  3. Step 3: Cross multiply
    110,211.61x = 165,157.86 × 75,982.25
  4. Step 4: Simplify right side
    110,211.61x = 12,549,065,428.07
  5. Step 5: Solve for x
    x = 12,549,065,428.07/110,211.61
  6. Step 6: Final answer
    x = 113,863.37

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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.