Home / 149,026.50-205,657.56-81,044.24

Finding the Fourth Proportional to 149,026.50, 205,657.56 and 81,044.24

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Solution

The fourth proportional to 149,026.50, 205,657.56 and 81,044.24 is: 111,841.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,026.50 : 205,657.56 = 81,044.24 : x
  2. Step 2: Convert to fraction form
    149,026.50/205,657.56 = 81,044.24/x
  3. Step 3: Cross multiply
    149,026.50x = 205,657.56 × 81,044.24
  4. Step 4: Simplify right side
    149,026.50x = 16,667,359,622.17
  5. Step 5: Solve for x
    x = 16,667,359,622.17/149,026.50
  6. Step 6: Final answer
    x = 111,841.58

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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.