Home / 106,387.27-146,812.43-57,989.66

Finding the Fourth Proportional to 106,387.27, 146,812.43 and 57,989.66

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Solution

The fourth proportional to 106,387.27, 146,812.43 and 57,989.66 is: 80,024.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,387.27 : 146,812.43 = 57,989.66 : x
  2. Step 2: Convert to fraction form
    106,387.27/146,812.43 = 57,989.66/x
  3. Step 3: Cross multiply
    106,387.27x = 146,812.43 × 57,989.66
  4. Step 4: Simplify right side
    106,387.27x = 8,513,602,310.39
  5. Step 5: Solve for x
    x = 8,513,602,310.39/106,387.27
  6. Step 6: Final answer
    x = 80,024.64

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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.