Home / 123,007.90-184,511.85-84,954.10

Finding the Fourth Proportional to 123,007.90, 184,511.85 and 84,954.10

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Solution

The fourth proportional to 123,007.90, 184,511.85 and 84,954.10 is: 127,431.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,007.90 : 184,511.85 = 84,954.10 : x
  2. Step 2: Convert to fraction form
    123,007.90/184,511.85 = 84,954.10/x
  3. Step 3: Cross multiply
    123,007.90x = 184,511.85 × 84,954.10
  4. Step 4: Simplify right side
    123,007.90x = 15,675,038,156.09
  5. Step 5: Solve for x
    x = 15,675,038,156.09/123,007.90
  6. Step 6: Final answer
    x = 127,431.15

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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.