Home / 115,817.86-173,683.05-49,289.32

Finding the Fourth Proportional to 115,817.86, 173,683.05 and 49,289.32

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Solution

The fourth proportional to 115,817.86, 173,683.05 and 49,289.32 is: 73,915.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,817.86 : 173,683.05 = 49,289.32 : x
  2. Step 2: Convert to fraction form
    115,817.86/173,683.05 = 49,289.32/x
  3. Step 3: Cross multiply
    115,817.86x = 173,683.05 × 49,289.32
  4. Step 4: Simplify right side
    115,817.86x = 8,560,719,430.03
  5. Step 5: Solve for x
    x = 8,560,719,430.03/115,817.86
  6. Step 6: Final answer
    x = 73,915.37

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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.