Home / 139,516.12-209,306.99-43,448.50

Finding the Fourth Proportional to 139,516.12, 209,306.99 and 43,448.50

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Solution

The fourth proportional to 139,516.12, 209,306.99 and 43,448.50 is: 65,182.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,516.12 : 209,306.99 = 43,448.50 : x
  2. Step 2: Convert to fraction form
    139,516.12/209,306.99 = 43,448.50/x
  3. Step 3: Cross multiply
    139,516.12x = 209,306.99 × 43,448.50
  4. Step 4: Simplify right side
    139,516.12x = 9,094,074,755.02
  5. Step 5: Solve for x
    x = 9,094,074,755.02/139,516.12
  6. Step 6: Final answer
    x = 65,182.97

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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.