Home / 148,817.39-205,371.63-80,833.59

Finding the Fourth Proportional to 148,817.39, 205,371.63 and 80,833.59

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Solution

The fourth proportional to 148,817.39, 205,371.63 and 80,833.59 is: 111,552.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,817.39 : 205,371.63 = 80,833.59 : x
  2. Step 2: Convert to fraction form
    148,817.39/205,371.63 = 80,833.59/x
  3. Step 3: Cross multiply
    148,817.39x = 205,371.63 × 80,833.59
  4. Step 4: Simplify right side
    148,817.39x = 16,600,926,137.05
  5. Step 5: Solve for x
    x = 16,600,926,137.05/148,817.39
  6. Step 6: Final answer
    x = 111,552.33

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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.