Home / 251,126.04-376,720.04-82,603.11

Finding the Fourth Proportional to 251,126.04, 376,720.04 and 82,603.11

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Solution

The fourth proportional to 251,126.04, 376,720.04 and 82,603.11 is: 123,914.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,126.04 : 376,720.04 = 82,603.11 : x
  2. Step 2: Convert to fraction form
    251,126.04/376,720.04 = 82,603.11/x
  3. Step 3: Cross multiply
    251,126.04x = 376,720.04 × 82,603.11
  4. Step 4: Simplify right side
    251,126.04x = 31,118,246,490.31
  5. Step 5: Solve for x
    x = 31,118,246,490.31/251,126.04
  6. Step 6: Final answer
    x = 123,914.85

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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.