Home / 120,984.32-181,475.87-31,026.63

Finding the Fourth Proportional to 120,984.32, 181,475.87 and 31,026.63

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Solution

The fourth proportional to 120,984.32, 181,475.87 and 31,026.63 is: 46,539.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,984.32 : 181,475.87 = 31,026.63 : x
  2. Step 2: Convert to fraction form
    120,984.32/181,475.87 = 31,026.63/x
  3. Step 3: Cross multiply
    120,984.32x = 181,475.87 × 31,026.63
  4. Step 4: Simplify right side
    120,984.32x = 5,630,583,609.91
  5. Step 5: Solve for x
    x = 5,630,583,609.91/120,984.32
  6. Step 6: Final answer
    x = 46,539.78

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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.