Home / 139,115.21-208,688.13-44,323.34

Finding the Fourth Proportional to 139,115.21, 208,688.13 and 44,323.34

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Solution

The fourth proportional to 139,115.21, 208,688.13 and 44,323.34 is: 66,489.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,115.21 : 208,688.13 = 44,323.34 : x
  2. Step 2: Convert to fraction form
    139,115.21/208,688.13 = 44,323.34/x
  3. Step 3: Cross multiply
    139,115.21x = 208,688.13 × 44,323.34
  4. Step 4: Simplify right side
    139,115.21x = 9,249,753,896.51
  5. Step 5: Solve for x
    x = 9,249,753,896.51/139,115.21
  6. Step 6: Final answer
    x = 66,489.88

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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.