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Finding the Fourth Proportional to 119,523.79, 179,591.68 and 90,217.63

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Solution

The fourth proportional to 119,523.79, 179,591.68 and 90,217.63 is: 135,557.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,523.79 : 179,591.68 = 90,217.63 : x
  2. Step 2: Convert to fraction form
    119,523.79/179,591.68 = 90,217.63/x
  3. Step 3: Cross multiply
    119,523.79x = 179,591.68 × 90,217.63
  4. Step 4: Simplify right side
    119,523.79x = 16,202,334,839.36
  5. Step 5: Solve for x
    x = 16,202,334,839.36/119,523.79
  6. Step 6: Final answer
    x = 135,557.41

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1.5x scale

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.