Home / 115,729.16-173,607.71-40,833.92

Finding the Fourth Proportional to 115,729.16, 173,607.71 and 40,833.92

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Solution

The fourth proportional to 115,729.16, 173,607.71 and 40,833.92 is: 61,255.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,729.16 : 173,607.71 = 40,833.92 : x
  2. Step 2: Convert to fraction form
    115,729.16/173,607.71 = 40,833.92/x
  3. Step 3: Cross multiply
    115,729.16x = 173,607.71 × 40,833.92
  4. Step 4: Simplify right side
    115,729.16x = 7,089,083,571.37
  5. Step 5: Solve for x
    x = 7,089,083,571.37/115,729.16
  6. Step 6: Final answer
    x = 61,255.81

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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.