Home / 110,480.10-165,720.15-48,272.10

Finding the Fourth Proportional to 110,480.10, 165,720.15 and 48,272.10

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Solution

The fourth proportional to 110,480.10, 165,720.15 and 48,272.10 is: 72,408.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,480.10 : 165,720.15 = 48,272.10 : x
  2. Step 2: Convert to fraction form
    110,480.10/165,720.15 = 48,272.10/x
  3. Step 3: Cross multiply
    110,480.10x = 165,720.15 × 48,272.10
  4. Step 4: Simplify right side
    110,480.10x = 7,999,659,652.82
  5. Step 5: Solve for x
    x = 7,999,659,652.82/110,480.10
  6. Step 6: Final answer
    x = 72,408.15

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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.