Home / 215,028.81-296,747.37-118,240.03

Finding the Fourth Proportional to 215,028.81, 296,747.37 and 118,240.03

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Solution

The fourth proportional to 215,028.81, 296,747.37 and 118,240.03 is: 163,175.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,028.81 : 296,747.37 = 118,240.03 : x
  2. Step 2: Convert to fraction form
    215,028.81/296,747.37 = 118,240.03/x
  3. Step 3: Cross multiply
    215,028.81x = 296,747.37 × 118,240.03
  4. Step 4: Simplify right side
    215,028.81x = 35,087,419,116.49
  5. Step 5: Solve for x
    x = 35,087,419,116.49/215,028.81
  6. Step 6: Final answer
    x = 163,175.43

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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.