Home / 149,925.90-206,897.26-81,942.88

Finding the Fourth Proportional to 149,925.90, 206,897.26 and 81,942.88

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Solution

The fourth proportional to 149,925.90, 206,897.26 and 81,942.88 is: 113,080.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,925.90 : 206,897.26 = 81,942.88 : x
  2. Step 2: Convert to fraction form
    149,925.90/206,897.26 = 81,942.88/x
  3. Step 3: Cross multiply
    149,925.90x = 206,897.26 × 81,942.88
  4. Step 4: Simplify right side
    149,925.90x = 16,953,757,348.51
  5. Step 5: Solve for x
    x = 16,953,757,348.51/149,925.90
  6. Step 6: Final answer
    x = 113,080.91

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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.