Home / 120,211.23-180,327.24-31,464.66

Finding the Fourth Proportional to 120,211.23, 180,327.24 and 31,464.66

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Solution

The fourth proportional to 120,211.23, 180,327.24 and 31,464.66 is: 47,199.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,211.23 : 180,327.24 = 31,464.66 : x
  2. Step 2: Convert to fraction form
    120,211.23/180,327.24 = 31,464.66/x
  3. Step 3: Cross multiply
    120,211.23x = 180,327.24 × 31,464.66
  4. Step 4: Simplify right side
    120,211.23x = 5,673,935,295.34
  5. Step 5: Solve for x
    x = 5,673,935,295.34/120,211.23
  6. Step 6: Final answer
    x = 47,199.71

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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.