Home / 139,146.08-208,719.61-33,965.03

Finding the Fourth Proportional to 139,146.08, 208,719.61 and 33,965.03

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Solution

The fourth proportional to 139,146.08, 208,719.61 and 33,965.03 is: 50,947.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,146.08 : 208,719.61 = 33,965.03 : x
  2. Step 2: Convert to fraction form
    139,146.08/208,719.61 = 33,965.03/x
  3. Step 3: Cross multiply
    139,146.08x = 208,719.61 × 33,965.03
  4. Step 4: Simplify right side
    139,146.08x = 7,089,168,252.12
  5. Step 5: Solve for x
    x = 7,089,168,252.12/139,146.08
  6. Step 6: Final answer
    x = 50,947.67

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Similar ratio
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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.