Home / 139,922.25-209,883.38-51,127.35

Finding the Fourth Proportional to 139,922.25, 209,883.38 and 51,127.35

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Solution

The fourth proportional to 139,922.25, 209,883.38 and 51,127.35 is: 76,691.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,922.25 : 209,883.38 = 51,127.35 : x
  2. Step 2: Convert to fraction form
    139,922.25/209,883.38 = 51,127.35/x
  3. Step 3: Cross multiply
    139,922.25x = 209,883.38 × 51,127.35
  4. Step 4: Simplify right side
    139,922.25x = 10,730,780,772.81
  5. Step 5: Solve for x
    x = 10,730,780,772.81/139,922.25
  6. Step 6: Final answer
    x = 76,691.03

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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.