Home / 105,862.92-146,090.96-57,464.81

Finding the Fourth Proportional to 105,862.92, 146,090.96 and 57,464.81

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Solution

The fourth proportional to 105,862.92, 146,090.96 and 57,464.81 is: 79,301.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,862.92 : 146,090.96 = 57,464.81 : x
  2. Step 2: Convert to fraction form
    105,862.92/146,090.96 = 57,464.81/x
  3. Step 3: Cross multiply
    105,862.92x = 146,090.96 × 57,464.81
  4. Step 4: Simplify right side
    105,862.92x = 8,395,089,004.67
  5. Step 5: Solve for x
    x = 8,395,089,004.67/105,862.92
  6. Step 6: Final answer
    x = 79,301.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.