Home / 134,918.71-186,184.12-74,488.26

Finding the Fourth Proportional to 134,918.71, 186,184.12 and 74,488.26

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Solution

The fourth proportional to 134,918.71, 186,184.12 and 74,488.26 is: 102,791.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,918.71 : 186,184.12 = 74,488.26 : x
  2. Step 2: Convert to fraction form
    134,918.71/186,184.12 = 74,488.26/x
  3. Step 3: Cross multiply
    134,918.71x = 186,184.12 × 74,488.26
  4. Step 4: Simplify right side
    134,918.71x = 13,868,531,138.43
  5. Step 5: Solve for x
    x = 13,868,531,138.43/134,918.71
  6. Step 6: Final answer
    x = 102,791.76

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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.