Home / 139,248.43-208,512.92-96,104.50

Finding the Fourth Proportional to 139,248.43, 208,512.92 and 96,104.50

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Solution

The fourth proportional to 139,248.43, 208,512.92 and 96,104.50 is: 143,908.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,248.43 : 208,512.92 = 96,104.50 : x
  2. Step 2: Convert to fraction form
    139,248.43/208,512.92 = 96,104.50/x
  3. Step 3: Cross multiply
    139,248.43x = 208,512.92 × 96,104.50
  4. Step 4: Simplify right side
    139,248.43x = 20,039,029,576.26
  5. Step 5: Solve for x
    x = 20,039,029,576.26/139,248.43
  6. Step 6: Final answer
    x = 143,908.47

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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.