Home / 120,933.72-180,486.03-117,784.44

Finding the Fourth Proportional to 120,933.72, 180,486.03 and 117,784.44

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Solution

The fourth proportional to 120,933.72, 180,486.03 and 117,784.44 is: 175,785.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,933.72 : 180,486.03 = 117,784.44 : x
  2. Step 2: Convert to fraction form
    120,933.72/180,486.03 = 117,784.44/x
  3. Step 3: Cross multiply
    120,933.72x = 180,486.03 × 117,784.44
  4. Step 4: Simplify right side
    120,933.72x = 21,258,445,971.37
  5. Step 5: Solve for x
    x = 21,258,445,971.37/120,933.72
  6. Step 6: Final answer
    x = 175,785.93

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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.