Home / 120,596.14-180,902.85-31,848.76

Finding the Fourth Proportional to 120,596.14, 180,902.85 and 31,848.76

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Solution

The fourth proportional to 120,596.14, 180,902.85 and 31,848.76 is: 47,775.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,596.14 : 180,902.85 = 31,848.76 : x
  2. Step 2: Convert to fraction form
    120,596.14/180,902.85 = 31,848.76/x
  3. Step 3: Cross multiply
    120,596.14x = 180,902.85 × 31,848.76
  4. Step 4: Simplify right side
    120,596.14x = 5,761,531,452.97
  5. Step 5: Solve for x
    x = 5,761,531,452.97/120,596.14
  6. Step 6: Final answer
    x = 47,775.42

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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.