Home / 120,534.78-180,800.73-58,161.18

Finding the Fourth Proportional to 120,534.78, 180,800.73 and 58,161.18

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Solution

The fourth proportional to 120,534.78, 180,800.73 and 58,161.18 is: 87,241.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,534.78 : 180,800.73 = 58,161.18 : x
  2. Step 2: Convert to fraction form
    120,534.78/180,800.73 = 58,161.18/x
  3. Step 3: Cross multiply
    120,534.78x = 180,800.73 × 58,161.18
  4. Step 4: Simplify right side
    120,534.78x = 10,515,583,801.66
  5. Step 5: Solve for x
    x = 10,515,583,801.66/120,534.78
  6. Step 6: Final answer
    x = 87,241.08

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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.