Home / 121,408.77-182,118.60-45,525.27

Finding the Fourth Proportional to 121,408.77, 182,118.60 and 45,525.27

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Solution

The fourth proportional to 121,408.77, 182,118.60 and 45,525.27 is: 68,289.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,408.77 : 182,118.60 = 45,525.27 : x
  2. Step 2: Convert to fraction form
    121,408.77/182,118.60 = 45,525.27/x
  3. Step 3: Cross multiply
    121,408.77x = 182,118.60 × 45,525.27
  4. Step 4: Simplify right side
    121,408.77x = 8,290,998,437.02
  5. Step 5: Solve for x
    x = 8,290,998,437.02/121,408.77
  6. Step 6: Final answer
    x = 68,289.95

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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.