Home / 118,836.20-163,988.58-68,532.20

Finding the Fourth Proportional to 118,836.20, 163,988.58 and 68,532.20

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Solution

The fourth proportional to 118,836.20, 163,988.58 and 68,532.20 is: 94,571.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,836.20 : 163,988.58 = 68,532.20 : x
  2. Step 2: Convert to fraction form
    118,836.20/163,988.58 = 68,532.20/x
  3. Step 3: Cross multiply
    118,836.20x = 163,988.58 × 68,532.20
  4. Step 4: Simplify right side
    118,836.20x = 11,238,498,162.28
  5. Step 5: Solve for x
    x = 11,238,498,162.28/118,836.20
  6. Step 6: Final answer
    x = 94,571.34

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1.5x scale

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.