Home / 148,954.05-205,560.59-80,975.58

Finding the Fourth Proportional to 148,954.05, 205,560.59 and 80,975.58

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Solution

The fourth proportional to 148,954.05, 205,560.59 and 80,975.58 is: 111,748.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,954.05 : 205,560.59 = 80,975.58 : x
  2. Step 2: Convert to fraction form
    148,954.05/205,560.59 = 80,975.58/x
  3. Step 3: Cross multiply
    148,954.05x = 205,560.59 × 80,975.58
  4. Step 4: Simplify right side
    148,954.05x = 16,645,387,595.51
  5. Step 5: Solve for x
    x = 16,645,387,595.51/148,954.05
  6. Step 6: Final answer
    x = 111,748.47

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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.