Home / 247,991.04-342,214.56-134,813.28

Finding the Fourth Proportional to 247,991.04, 342,214.56 and 134,813.28

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Solution

The fourth proportional to 247,991.04, 342,214.56 and 134,813.28 is: 186,035.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,991.04 : 342,214.56 = 134,813.28 : x
  2. Step 2: Convert to fraction form
    247,991.04/342,214.56 = 134,813.28/x
  3. Step 3: Cross multiply
    247,991.04x = 342,214.56 × 134,813.28
  4. Step 4: Simplify right side
    247,991.04x = 46,135,067,297.36
  5. Step 5: Solve for x
    x = 46,135,067,297.36/247,991.04
  6. Step 6: Final answer
    x = 186,035.22

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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.