Home / 118,986.47-164,199.79-67,998.62

Finding the Fourth Proportional to 118,986.47, 164,199.79 and 67,998.62

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Solution

The fourth proportional to 118,986.47, 164,199.79 and 67,998.62 is: 93,837.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,986.47 : 164,199.79 = 67,998.62 : x
  2. Step 2: Convert to fraction form
    118,986.47/164,199.79 = 67,998.62/x
  3. Step 3: Cross multiply
    118,986.47x = 164,199.79 × 67,998.62
  4. Step 4: Simplify right side
    118,986.47x = 11,165,359,124.29
  5. Step 5: Solve for x
    x = 11,165,359,124.29/118,986.47
  6. Step 6: Final answer
    x = 93,837.22

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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.