Home / 139,283.75-209,008.65-50,544.18

Finding the Fourth Proportional to 139,283.75, 209,008.65 and 50,544.18

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Solution

The fourth proportional to 139,283.75, 209,008.65 and 50,544.18 is: 75,846.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,283.75 : 209,008.65 = 50,544.18 : x
  2. Step 2: Convert to fraction form
    139,283.75/209,008.65 = 50,544.18/x
  3. Step 3: Cross multiply
    139,283.75x = 209,008.65 × 50,544.18
  4. Step 4: Simplify right side
    139,283.75x = 10,564,170,574.44
  5. Step 5: Solve for x
    x = 10,564,170,574.44/139,283.75
  6. Step 6: Final answer
    x = 75,846.40

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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.