Home / 120,009.36-180,011.84-35,826.72

Finding the Fourth Proportional to 120,009.36, 180,011.84 and 35,826.72

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Solution

The fourth proportional to 120,009.36, 180,011.84 and 35,826.72 is: 53,739.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,009.36 : 180,011.84 = 35,826.72 : x
  2. Step 2: Convert to fraction form
    120,009.36/180,011.84 = 35,826.72/x
  3. Step 3: Cross multiply
    120,009.36x = 180,011.84 × 35,826.72
  4. Step 4: Simplify right side
    120,009.36x = 6,449,233,788.36
  5. Step 5: Solve for x
    x = 6,449,233,788.36/120,009.36
  6. Step 6: Final answer
    x = 53,739.42

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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.