Home / 115,520.71-173,237.32-45,361.75

Finding the Fourth Proportional to 115,520.71, 173,237.32 and 45,361.75

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Solution

The fourth proportional to 115,520.71, 173,237.32 and 45,361.75 is: 68,025.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,520.71 : 173,237.32 = 45,361.75 : x
  2. Step 2: Convert to fraction form
    115,520.71/173,237.32 = 45,361.75/x
  3. Step 3: Cross multiply
    115,520.71x = 173,237.32 × 45,361.75
  4. Step 4: Simplify right side
    115,520.71x = 7,858,348,000.51
  5. Step 5: Solve for x
    x = 7,858,348,000.51/115,520.71
  6. Step 6: Final answer
    x = 68,025.45

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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.