Home / 134,884.56-186,140.64-75,268.56

Finding the Fourth Proportional to 134,884.56, 186,140.64 and 75,268.56

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Solution

The fourth proportional to 134,884.56, 186,140.64 and 75,268.56 is: 103,870.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,884.56 : 186,140.64 = 75,268.56 : x
  2. Step 2: Convert to fraction form
    134,884.56/186,140.64 = 75,268.56/x
  3. Step 3: Cross multiply
    134,884.56x = 186,140.64 × 75,268.56
  4. Step 4: Simplify right side
    134,884.56x = 14,010,537,930.28
  5. Step 5: Solve for x
    x = 14,010,537,930.28/134,884.56
  6. Step 6: Final answer
    x = 103,870.58

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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.