Home / 118,711.36-163,821.33-64,995.94

Finding the Fourth Proportional to 118,711.36, 163,821.33 and 64,995.94

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Solution

The fourth proportional to 118,711.36, 163,821.33 and 64,995.94 is: 89,694.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,711.36 : 163,821.33 = 64,995.94 : x
  2. Step 2: Convert to fraction form
    118,711.36/163,821.33 = 64,995.94/x
  3. Step 3: Cross multiply
    118,711.36x = 163,821.33 × 64,995.94
  4. Step 4: Simplify right side
    118,711.36x = 10,647,721,335.40
  5. Step 5: Solve for x
    x = 10,647,721,335.40/118,711.36
  6. Step 6: Final answer
    x = 89,694.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.