Home / 139,935.24-209,914.14-43,865.88

Finding the Fourth Proportional to 139,935.24, 209,914.14 and 43,865.88

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Solution

The fourth proportional to 139,935.24, 209,914.14 and 43,865.88 is: 65,802.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,935.24 : 209,914.14 = 43,865.88 : x
  2. Step 2: Convert to fraction form
    139,935.24/209,914.14 = 43,865.88/x
  3. Step 3: Cross multiply
    139,935.24x = 209,914.14 × 43,865.88
  4. Step 4: Simplify right side
    139,935.24x = 9,208,068,475.54
  5. Step 5: Solve for x
    x = 9,208,068,475.54/139,935.24
  6. Step 6: Final answer
    x = 65,802.36

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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.