Home / 251,209.96-376,740-82,699.24

Finding the Fourth Proportional to 251,209.96, 376,740 and 82,699.24

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Solution

The fourth proportional to 251,209.96, 376,740 and 82,699.24 is: 124,024.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,209.96 : 376,740 = 82,699.24 : x
  2. Step 2: Convert to fraction form
    251,209.96/376,740 = 82,699.24/x
  3. Step 3: Cross multiply
    251,209.96x = 376,740 × 82,699.24
  4. Step 4: Simplify right side
    251,209.96x = 31,156,111,677.60
  5. Step 5: Solve for x
    x = 31,156,111,677.60/251,209.96
  6. Step 6: Final answer
    x = 124,024.19

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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.