Home / 163,739.66-225,839.79-112,768.56

Finding the Fourth Proportional to 163,739.66, 225,839.79 and 112,768.56

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Solution

The fourth proportional to 163,739.66, 225,839.79 and 112,768.56 is: 155,537.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,739.66 : 225,839.79 = 112,768.56 : x
  2. Step 2: Convert to fraction form
    163,739.66/225,839.79 = 112,768.56/x
  3. Step 3: Cross multiply
    163,739.66x = 225,839.79 × 112,768.56
  4. Step 4: Simplify right side
    163,739.66x = 25,467,627,909.00
  5. Step 5: Solve for x
    x = 25,467,627,909.00/163,739.66
  6. Step 6: Final answer
    x = 155,537.32

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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.