Home / 159,513.54-239,340.68-84,615.32

Finding the Fourth Proportional to 159,513.54, 239,340.68 and 84,615.32

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Solution

The fourth proportional to 159,513.54, 239,340.68 and 84,615.32 is: 126,960.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,513.54 : 239,340.68 = 84,615.32 : x
  2. Step 2: Convert to fraction form
    159,513.54/239,340.68 = 84,615.32/x
  3. Step 3: Cross multiply
    159,513.54x = 239,340.68 × 84,615.32
  4. Step 4: Simplify right side
    159,513.54x = 20,251,888,227.22
  5. Step 5: Solve for x
    x = 20,251,888,227.22/159,513.54
  6. Step 6: Final answer
    x = 126,960.31

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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.