Home / 148,665.26-205,159.57-80,682.84

Finding the Fourth Proportional to 148,665.26, 205,159.57 and 80,682.84

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Solution

The fourth proportional to 148,665.26, 205,159.57 and 80,682.84 is: 111,343.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,665.26 : 205,159.57 = 80,682.84 : x
  2. Step 2: Convert to fraction form
    148,665.26/205,159.57 = 80,682.84/x
  3. Step 3: Cross multiply
    148,665.26x = 205,159.57 × 80,682.84
  4. Step 4: Simplify right side
    148,665.26x = 16,552,856,559.07
  5. Step 5: Solve for x
    x = 16,552,856,559.07/148,665.26
  6. Step 6: Final answer
    x = 111,343.14

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1.5x scale

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.