Home / 133,051.35-199,577.03-123,428.55

Finding the Fourth Proportional to 133,051.35, 199,577.03 and 123,428.55

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Solution

The fourth proportional to 133,051.35, 199,577.03 and 123,428.55 is: 185,142.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,051.35 : 199,577.03 = 123,428.55 : x
  2. Step 2: Convert to fraction form
    133,051.35/199,577.03 = 123,428.55/x
  3. Step 3: Cross multiply
    133,051.35x = 199,577.03 × 123,428.55
  4. Step 4: Simplify right side
    133,051.35x = 24,633,502,809.06
  5. Step 5: Solve for x
    x = 24,633,502,809.06/133,051.35
  6. Step 6: Final answer
    x = 185,142.83

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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.