Home / 232,246.80-320,433-136,707.60

Finding the Fourth Proportional to 232,246.80, 320,433 and 136,707.60

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Solution

The fourth proportional to 232,246.80, 320,433 and 136,707.60 is: 188,616.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,246.80 : 320,433 = 136,707.60 : x
  2. Step 2: Convert to fraction form
    232,246.80/320,433 = 136,707.60/x
  3. Step 3: Cross multiply
    232,246.80x = 320,433 × 136,707.60
  4. Step 4: Simplify right side
    232,246.80x = 43,805,626,390.80
  5. Step 5: Solve for x
    x = 43,805,626,390.80/232,246.80
  6. Step 6: Final answer
    x = 188,616.71

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1.5x scale

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.