Home / 115,638.68-173,523.62-45,567.20

Finding the Fourth Proportional to 115,638.68, 173,523.62 and 45,567.20

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Solution

The fourth proportional to 115,638.68, 173,523.62 and 45,567.20 is: 68,376.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,638.68 : 173,523.62 = 45,567.20 : x
  2. Step 2: Convert to fraction form
    115,638.68/173,523.62 = 45,567.20/x
  3. Step 3: Cross multiply
    115,638.68x = 173,523.62 × 45,567.20
  4. Step 4: Simplify right side
    115,638.68x = 7,906,985,497.26
  5. Step 5: Solve for x
    x = 7,906,985,497.26/115,638.68
  6. Step 6: Final answer
    x = 68,376.65

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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.