Home / 149,056.56-205,692.14-81,073.44

Finding the Fourth Proportional to 149,056.56, 205,692.14 and 81,073.44

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Solution

The fourth proportional to 149,056.56, 205,692.14 and 81,073.44 is: 111,878.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,056.56 : 205,692.14 = 81,073.44 : x
  2. Step 2: Convert to fraction form
    149,056.56/205,692.14 = 81,073.44/x
  3. Step 3: Cross multiply
    149,056.56x = 205,692.14 × 81,073.44
  4. Step 4: Simplify right side
    149,056.56x = 16,676,168,965.39
  5. Step 5: Solve for x
    x = 16,676,168,965.39/149,056.56
  6. Step 6: Final answer
    x = 111,878.13

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Why These Related Problems?

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