Home / 120,185.22-180,228.62-53,579.79

Finding the Fourth Proportional to 120,185.22, 180,228.62 and 53,579.79

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Solution

The fourth proportional to 120,185.22, 180,228.62 and 53,579.79 is: 80,347.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,185.22 : 180,228.62 = 53,579.79 : x
  2. Step 2: Convert to fraction form
    120,185.22/180,228.62 = 53,579.79/x
  3. Step 3: Cross multiply
    120,185.22x = 180,228.62 × 53,579.79
  4. Step 4: Simplify right side
    120,185.22x = 9,656,611,848.29
  5. Step 5: Solve for x
    x = 9,656,611,848.29/120,185.22
  6. Step 6: Final answer
    x = 80,347.75

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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.