Home / 139,069.35-208,535.01-44,287.18

Finding the Fourth Proportional to 139,069.35, 208,535.01 and 44,287.18

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Solution

The fourth proportional to 139,069.35, 208,535.01 and 44,287.18 is: 66,408.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,069.35 : 208,535.01 = 44,287.18 : x
  2. Step 2: Convert to fraction form
    139,069.35/208,535.01 = 44,287.18/x
  3. Step 3: Cross multiply
    139,069.35x = 208,535.01 × 44,287.18
  4. Step 4: Simplify right side
    139,069.35x = 9,235,426,836.76
  5. Step 5: Solve for x
    x = 9,235,426,836.76/139,069.35
  6. Step 6: Final answer
    x = 66,408.79

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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.