Home / 120,186.22-180,230.12-53,580.79

Finding the Fourth Proportional to 120,186.22, 180,230.12 and 53,580.79

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Solution

The fourth proportional to 120,186.22, 180,230.12 and 53,580.79 is: 80,349.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,186.22 : 180,230.12 = 53,580.79 : x
  2. Step 2: Convert to fraction form
    120,186.22/180,230.12 = 53,580.79/x
  3. Step 3: Cross multiply
    120,186.22x = 180,230.12 × 53,580.79
  4. Step 4: Simplify right side
    120,186.22x = 9,656,872,211.39
  5. Step 5: Solve for x
    x = 9,656,872,211.39/120,186.22
  6. Step 6: Final answer
    x = 80,349.25

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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.