Home / 149,946.69-206,926.41-81,963.93

Finding the Fourth Proportional to 149,946.69, 206,926.41 and 81,963.93

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Solution

The fourth proportional to 149,946.69, 206,926.41 and 81,963.93 is: 113,110.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,946.69 : 206,926.41 = 81,963.93 : x
  2. Step 2: Convert to fraction form
    149,946.69/206,926.41 = 81,963.93/x
  3. Step 3: Cross multiply
    149,946.69x = 206,926.41 × 81,963.93
  4. Step 4: Simplify right side
    149,946.69x = 16,960,501,784.39
  5. Step 5: Solve for x
    x = 16,960,501,784.39/149,946.69
  6. Step 6: Final answer
    x = 113,110.21

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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.