Home / 139,228.47-208,876.73-44,458.67

Finding the Fourth Proportional to 139,228.47, 208,876.73 and 44,458.67

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Solution

The fourth proportional to 139,228.47, 208,876.73 and 44,458.67 is: 66,698.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,228.47 : 208,876.73 = 44,458.67 : x
  2. Step 2: Convert to fraction form
    139,228.47/208,876.73 = 44,458.67/x
  3. Step 3: Cross multiply
    139,228.47x = 208,876.73 × 44,458.67
  4. Step 4: Simplify right side
    139,228.47x = 9,286,381,909.65
  5. Step 5: Solve for x
    x = 9,286,381,909.65/139,228.47
  6. Step 6: Final answer
    x = 66,698.87

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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.