Home / 120,422.40-180,633.60-37,324.80

Finding the Fourth Proportional to 120,422.40, 180,633.60 and 37,324.80

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Solution

The fourth proportional to 120,422.40, 180,633.60 and 37,324.80 is: 55,987.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,422.40 : 180,633.60 = 37,324.80 : x
  2. Step 2: Convert to fraction form
    120,422.40/180,633.60 = 37,324.80/x
  3. Step 3: Cross multiply
    120,422.40x = 180,633.60 × 37,324.80
  4. Step 4: Simplify right side
    120,422.40x = 6,742,112,993.28
  5. Step 5: Solve for x
    x = 6,742,112,993.28/120,422.40
  6. Step 6: Final answer
    x = 55,987.20

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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.