Home / 251,501.18-377,171.78-82,990.08

Finding the Fourth Proportional to 251,501.18, 377,171.78 and 82,990.08

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Solution

The fourth proportional to 251,501.18, 377,171.78 and 82,990.08 is: 124,458.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,501.18 : 377,171.78 = 82,990.08 : x
  2. Step 2: Convert to fraction form
    251,501.18/377,171.78 = 82,990.08/x
  3. Step 3: Cross multiply
    251,501.18x = 377,171.78 × 82,990.08
  4. Step 4: Simplify right side
    251,501.18x = 31,301,515,780.99
  5. Step 5: Solve for x
    x = 31,301,515,780.99/251,501.18
  6. Step 6: Final answer
    x = 124,458.73

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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.