Home / 145,930.37-201,381.17-82,268.19

Finding the Fourth Proportional to 145,930.37, 201,381.17 and 82,268.19

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Solution

The fourth proportional to 145,930.37, 201,381.17 and 82,268.19 is: 113,528.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,930.37 : 201,381.17 = 82,268.19 : x
  2. Step 2: Convert to fraction form
    145,930.37/201,381.17 = 82,268.19/x
  3. Step 3: Cross multiply
    145,930.37x = 201,381.17 × 82,268.19
  4. Step 4: Simplify right side
    145,930.37x = 16,567,263,944.64
  5. Step 5: Solve for x
    x = 16,567,263,944.64/145,930.37
  6. Step 6: Final answer
    x = 113,528.56

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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.