Home / 180,228.12-270,324.90-55,535.64

Finding the Fourth Proportional to 180,228.12, 270,324.90 and 55,535.64

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Solution

The fourth proportional to 180,228.12, 270,324.90 and 55,535.64 is: 83,298.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,228.12 : 270,324.90 = 55,535.64 : x
  2. Step 2: Convert to fraction form
    180,228.12/270,324.90 = 55,535.64/x
  3. Step 3: Cross multiply
    180,228.12x = 270,324.90 × 55,535.64
  4. Step 4: Simplify right side
    180,228.12x = 15,012,666,329.44
  5. Step 5: Solve for x
    x = 15,012,666,329.44/180,228.12
  6. Step 6: Final answer
    x = 83,298.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.