Home / 136,715.94-205,072.63-43,221.70

Finding the Fourth Proportional to 136,715.94, 205,072.63 and 43,221.70

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Solution

The fourth proportional to 136,715.94, 205,072.63 and 43,221.70 is: 64,832.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,715.94 : 205,072.63 = 43,221.70 : x
  2. Step 2: Convert to fraction form
    136,715.94/205,072.63 = 43,221.70/x
  3. Step 3: Cross multiply
    136,715.94x = 205,072.63 × 43,221.70
  4. Step 4: Simplify right side
    136,715.94x = 8,863,587,692.07
  5. Step 5: Solve for x
    x = 8,863,587,692.07/136,715.94
  6. Step 6: Final answer
    x = 64,832.15

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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.