Home / 120,926.70-180,475.60-117,777.42

Finding the Fourth Proportional to 120,926.70, 180,475.60 and 117,777.42

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Solution

The fourth proportional to 120,926.70, 180,475.60 and 117,777.42 is: 175,775.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,926.70 : 180,475.60 = 117,777.42 : x
  2. Step 2: Convert to fraction form
    120,926.70/180,475.60 = 117,777.42/x
  3. Step 3: Cross multiply
    120,926.70x = 180,475.60 × 117,777.42
  4. Step 4: Simplify right side
    120,926.70x = 21,255,950,540.95
  5. Step 5: Solve for x
    x = 21,255,950,540.95/120,926.70
  6. Step 6: Final answer
    x = 175,775.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.