Home / 218,973.38-302,183.26-118,371.38

Finding the Fourth Proportional to 218,973.38, 302,183.26 and 118,371.38

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Solution

The fourth proportional to 218,973.38, 302,183.26 and 118,371.38 is: 163,352.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,973.38 : 302,183.26 = 118,371.38 : x
  2. Step 2: Convert to fraction form
    218,973.38/302,183.26 = 118,371.38/x
  3. Step 3: Cross multiply
    218,973.38x = 302,183.26 × 118,371.38
  4. Step 4: Simplify right side
    218,973.38x = 35,769,847,692.25
  5. Step 5: Solve for x
    x = 35,769,847,692.25/218,973.38
  6. Step 6: Final answer
    x = 163,352.50

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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.