Home / 137,158.20-205,669.26-43,651.80

Finding the Fourth Proportional to 137,158.20, 205,669.26 and 43,651.80

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Solution

The fourth proportional to 137,158.20, 205,669.26 and 43,651.80 is: 65,456.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,158.20 : 205,669.26 = 43,651.80 : x
  2. Step 2: Convert to fraction form
    137,158.20/205,669.26 = 43,651.80/x
  3. Step 3: Cross multiply
    137,158.20x = 205,669.26 × 43,651.80
  4. Step 4: Simplify right side
    137,158.20x = 8,977,833,403.67
  5. Step 5: Solve for x
    x = 8,977,833,403.67/137,158.20
  6. Step 6: Final answer
    x = 65,456.05

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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.