Home / 189,701.25-284,692.05-89,861.85

Finding the Fourth Proportional to 189,701.25, 284,692.05 and 89,861.85

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Solution

The fourth proportional to 189,701.25, 284,692.05 and 89,861.85 is: 134,859.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,701.25 : 284,692.05 = 89,861.85 : x
  2. Step 2: Convert to fraction form
    189,701.25/284,692.05 = 89,861.85/x
  3. Step 3: Cross multiply
    189,701.25x = 284,692.05 × 89,861.85
  4. Step 4: Simplify right side
    189,701.25x = 25,582,954,293.29
  5. Step 5: Solve for x
    x = 25,582,954,293.29/189,701.25
  6. Step 6: Final answer
    x = 134,859.18

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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.