Home / 139,723.08-209,520.37-44,935.76

Finding the Fourth Proportional to 139,723.08, 209,520.37 and 44,935.76

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Solution

The fourth proportional to 139,723.08, 209,520.37 and 44,935.76 is: 67,382.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,723.08 : 209,520.37 = 44,935.76 : x
  2. Step 2: Convert to fraction form
    139,723.08/209,520.37 = 44,935.76/x
  3. Step 3: Cross multiply
    139,723.08x = 209,520.37 × 44,935.76
  4. Step 4: Simplify right side
    139,723.08x = 9,414,957,641.40
  5. Step 5: Solve for x
    x = 9,414,957,641.40/139,723.08
  6. Step 6: Final answer
    x = 67,382.98

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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.