Home / 90,239.54-135,492.38-50,336.49

Finding the Fourth Proportional to 90,239.54, 135,492.38 and 50,336.49

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Solution

The fourth proportional to 90,239.54, 135,492.38 and 50,336.49 is: 75,578.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,239.54 : 135,492.38 = 50,336.49 : x
  2. Step 2: Convert to fraction form
    90,239.54/135,492.38 = 50,336.49/x
  3. Step 3: Cross multiply
    90,239.54x = 135,492.38 × 50,336.49
  4. Step 4: Simplify right side
    90,239.54x = 6,820,210,579.26
  5. Step 5: Solve for x
    x = 6,820,210,579.26/90,239.54
  6. Step 6: Final answer
    x = 75,578.96

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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.