Home / 137,279.02-205,870.26-41,187.58

Finding the Fourth Proportional to 137,279.02, 205,870.26 and 41,187.58

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Solution

The fourth proportional to 137,279.02, 205,870.26 and 41,187.58 is: 61,766.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,279.02 : 205,870.26 = 41,187.58 : x
  2. Step 2: Convert to fraction form
    137,279.02/205,870.26 = 41,187.58/x
  3. Step 3: Cross multiply
    137,279.02x = 205,870.26 × 41,187.58
  4. Step 4: Simplify right side
    137,279.02x = 8,479,297,803.37
  5. Step 5: Solve for x
    x = 8,479,297,803.37/137,279.02
  6. Step 6: Final answer
    x = 61,766.89

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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.