Home / 180,675.28-270,969.36-75,437.20

Finding the Fourth Proportional to 180,675.28, 270,969.36 and 75,437.20

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Solution

The fourth proportional to 180,675.28, 270,969.36 and 75,437.20 is: 113,137.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,675.28 : 270,969.36 = 75,437.20 : x
  2. Step 2: Convert to fraction form
    180,675.28/270,969.36 = 75,437.20/x
  3. Step 3: Cross multiply
    180,675.28x = 270,969.36 × 75,437.20
  4. Step 4: Simplify right side
    180,675.28x = 20,441,169,804.19
  5. Step 5: Solve for x
    x = 20,441,169,804.19/180,675.28
  6. Step 6: Final answer
    x = 113,137.61

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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.