Home / 120,632.28-180,954.80-31,883.37

Finding the Fourth Proportional to 120,632.28, 180,954.80 and 31,883.37

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Solution

The fourth proportional to 120,632.28, 180,954.80 and 31,883.37 is: 47,826.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,632.28 : 180,954.80 = 31,883.37 : x
  2. Step 2: Convert to fraction form
    120,632.28/180,954.80 = 31,883.37/x
  3. Step 3: Cross multiply
    120,632.28x = 180,954.80 × 31,883.37
  4. Step 4: Simplify right side
    120,632.28x = 5,769,448,841.68
  5. Step 5: Solve for x
    x = 5,769,448,841.68/120,632.28
  6. Step 6: Final answer
    x = 47,826.74

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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.