Home / 134,791.08-186,010.72-74,364.27

Finding the Fourth Proportional to 134,791.08, 186,010.72 and 74,364.27

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Solution

The fourth proportional to 134,791.08, 186,010.72 and 74,364.27 is: 102,622.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,791.08 : 186,010.72 = 74,364.27 : x
  2. Step 2: Convert to fraction form
    134,791.08/186,010.72 = 74,364.27/x
  3. Step 3: Cross multiply
    134,791.08x = 186,010.72 × 74,364.27
  4. Step 4: Simplify right side
    134,791.08x = 13,832,551,404.97
  5. Step 5: Solve for x
    x = 13,832,551,404.97/134,791.08
  6. Step 6: Final answer
    x = 102,622.16

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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.