Home / 120,293.60-180,389.73-36,065.84

Finding the Fourth Proportional to 120,293.60, 180,389.73 and 36,065.84

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Solution

The fourth proportional to 120,293.60, 180,389.73 and 36,065.84 is: 54,083.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,293.60 : 180,389.73 = 36,065.84 : x
  2. Step 2: Convert to fraction form
    120,293.60/180,389.73 = 36,065.84/x
  3. Step 3: Cross multiply
    120,293.60x = 180,389.73 × 36,065.84
  4. Step 4: Simplify right side
    120,293.60x = 6,505,907,139.82
  5. Step 5: Solve for x
    x = 6,505,907,139.82/120,293.60
  6. Step 6: Final answer
    x = 54,083.57

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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.