Home / 102,568.87-141,433.45-66,692.35

Finding the Fourth Proportional to 102,568.87, 141,433.45 and 66,692.35

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Solution

The fourth proportional to 102,568.87, 141,433.45 and 66,692.35 is: 91,962.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,568.87 : 141,433.45 = 66,692.35 : x
  2. Step 2: Convert to fraction form
    102,568.87/141,433.45 = 66,692.35/x
  3. Step 3: Cross multiply
    102,568.87x = 141,433.45 × 66,692.35
  4. Step 4: Simplify right side
    102,568.87x = 9,432,529,149.11
  5. Step 5: Solve for x
    x = 9,432,529,149.11/102,568.87
  6. Step 6: Final answer
    x = 91,962.88

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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.