Home / 139,109.64-208,679.58-44,317.62

Finding the Fourth Proportional to 139,109.64, 208,679.58 and 44,317.62

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Solution

The fourth proportional to 139,109.64, 208,679.58 and 44,317.62 is: 66,481.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,109.64 : 208,679.58 = 44,317.62 : x
  2. Step 2: Convert to fraction form
    139,109.64/208,679.58 = 44,317.62/x
  3. Step 3: Cross multiply
    139,109.64x = 208,679.58 × 44,317.62
  4. Step 4: Simplify right side
    139,109.64x = 9,248,182,328.20
  5. Step 5: Solve for x
    x = 9,248,182,328.20/139,109.64
  6. Step 6: Final answer
    x = 66,481.25

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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.