Home / 123,070.59-184,991.24-81,219.62

Finding the Fourth Proportional to 123,070.59, 184,991.24 and 81,219.62

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Solution

The fourth proportional to 123,070.59, 184,991.24 and 81,219.62 is: 122,083.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,070.59 : 184,991.24 = 81,219.62 : x
  2. Step 2: Convert to fraction form
    123,070.59/184,991.24 = 81,219.62/x
  3. Step 3: Cross multiply
    123,070.59x = 184,991.24 × 81,219.62
  4. Step 4: Simplify right side
    123,070.59x = 15,024,916,885.07
  5. Step 5: Solve for x
    x = 15,024,916,885.07/123,070.59
  6. Step 6: Final answer
    x = 122,083.73

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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.