Home / 152,023.94-209,791.64-84,042.68

Finding the Fourth Proportional to 152,023.94, 209,791.64 and 84,042.68

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Solution

The fourth proportional to 152,023.94, 209,791.64 and 84,042.68 is: 115,978.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,023.94 : 209,791.64 = 84,042.68 : x
  2. Step 2: Convert to fraction form
    152,023.94/209,791.64 = 84,042.68/x
  3. Step 3: Cross multiply
    152,023.94x = 209,791.64 × 84,042.68
  4. Step 4: Simplify right side
    152,023.94x = 17,631,451,667.20
  5. Step 5: Solve for x
    x = 17,631,451,667.20/152,023.94
  6. Step 6: Final answer
    x = 115,978.13

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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.