Home / 78,267.48-117,408.24-22,108.16

Finding the Fourth Proportional to 78,267.48, 117,408.24 and 22,108.16

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Solution

The fourth proportional to 78,267.48, 117,408.24 and 22,108.16 is: 33,164.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,267.48 : 117,408.24 = 22,108.16 : x
  2. Step 2: Convert to fraction form
    78,267.48/117,408.24 = 22,108.16/x
  3. Step 3: Cross multiply
    78,267.48x = 117,408.24 × 22,108.16
  4. Step 4: Simplify right side
    78,267.48x = 2,595,680,155.24
  5. Step 5: Solve for x
    x = 2,595,680,155.24/78,267.48
  6. Step 6: Final answer
    x = 33,164.22

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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.