Home / 139,844.28-209,683.44-55,559.19

Finding the Fourth Proportional to 139,844.28, 209,683.44 and 55,559.19

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Solution

The fourth proportional to 139,844.28, 209,683.44 and 55,559.19 is: 83,305.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,844.28 : 209,683.44 = 55,559.19 : x
  2. Step 2: Convert to fraction form
    139,844.28/209,683.44 = 55,559.19/x
  3. Step 3: Cross multiply
    139,844.28x = 209,683.44 × 55,559.19
  4. Step 4: Simplify right side
    139,844.28x = 11,649,842,082.81
  5. Step 5: Solve for x
    x = 11,649,842,082.81/139,844.28
  6. Step 6: Final answer
    x = 83,305.82

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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.