Home / 135,136.32-186,381.60-126,082.08

Finding the Fourth Proportional to 135,136.32, 186,381.60 and 126,082.08

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Solution

The fourth proportional to 135,136.32, 186,381.60 and 126,082.08 is: 173,893.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,136.32 : 186,381.60 = 126,082.08 : x
  2. Step 2: Convert to fraction form
    135,136.32/186,381.60 = 126,082.08/x
  3. Step 3: Cross multiply
    135,136.32x = 186,381.60 × 126,082.08
  4. Step 4: Simplify right side
    135,136.32x = 23,499,379,801.73
  5. Step 5: Solve for x
    x = 23,499,379,801.73/135,136.32
  6. Step 6: Final answer
    x = 173,893.89

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.