Home / 115,656.18-173,392.82-75,922.64

Finding the Fourth Proportional to 115,656.18, 173,392.82 and 75,922.64

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Solution

The fourth proportional to 115,656.18, 173,392.82 and 75,922.64 is: 113,823.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,656.18 : 173,392.82 = 75,922.64 : x
  2. Step 2: Convert to fraction form
    115,656.18/173,392.82 = 75,922.64/x
  3. Step 3: Cross multiply
    115,656.18x = 173,392.82 × 75,922.64
  4. Step 4: Simplify right side
    115,656.18x = 13,164,440,651.44
  5. Step 5: Solve for x
    x = 13,164,440,651.44/115,656.18
  6. Step 6: Final answer
    x = 113,823.93

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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.