Home / 118,812.09-163,954.42-67,822.79

Finding the Fourth Proportional to 118,812.09, 163,954.42 and 67,822.79

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Solution

The fourth proportional to 118,812.09, 163,954.42 and 67,822.79 is: 93,591.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,812.09 : 163,954.42 = 67,822.79 : x
  2. Step 2: Convert to fraction form
    118,812.09/163,954.42 = 67,822.79/x
  3. Step 3: Cross multiply
    118,812.09x = 163,954.42 × 67,822.79
  4. Step 4: Simplify right side
    118,812.09x = 11,119,846,437.56
  5. Step 5: Solve for x
    x = 11,119,846,437.56/118,812.09
  6. Step 6: Final answer
    x = 93,591.88

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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.