Home / 139,544.16-209,372.13-50,803.80

Finding the Fourth Proportional to 139,544.16, 209,372.13 and 50,803.80

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Solution

The fourth proportional to 139,544.16, 209,372.13 and 50,803.80 is: 76,226.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,544.16 : 209,372.13 = 50,803.80 : x
  2. Step 2: Convert to fraction form
    139,544.16/209,372.13 = 50,803.80/x
  3. Step 3: Cross multiply
    139,544.16x = 209,372.13 × 50,803.80
  4. Step 4: Simplify right side
    139,544.16x = 10,636,899,818.09
  5. Step 5: Solve for x
    x = 10,636,899,818.09/139,544.16
  6. Step 6: Final answer
    x = 76,226.05

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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.