Home / 133,618.02-200,478.87-50,518.50

Finding the Fourth Proportional to 133,618.02, 200,478.87 and 50,518.50

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Solution

The fourth proportional to 133,618.02, 200,478.87 and 50,518.50 is: 75,797.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,618.02 : 200,478.87 = 50,518.50 : x
  2. Step 2: Convert to fraction form
    133,618.02/200,478.87 = 50,518.50/x
  3. Step 3: Cross multiply
    133,618.02x = 200,478.87 × 50,518.50
  4. Step 4: Simplify right side
    133,618.02x = 10,127,891,794.10
  5. Step 5: Solve for x
    x = 10,127,891,794.10/133,618.02
  6. Step 6: Final answer
    x = 75,797.35

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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.