Home / 148,799.46-205,344.74-80,817.08

Finding the Fourth Proportional to 148,799.46, 205,344.74 and 80,817.08

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Solution

The fourth proportional to 148,799.46, 205,344.74 and 80,817.08 is: 111,528.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,799.46 : 205,344.74 = 80,817.08 : x
  2. Step 2: Convert to fraction form
    148,799.46/205,344.74 = 80,817.08/x
  3. Step 3: Cross multiply
    148,799.46x = 205,344.74 × 80,817.08
  4. Step 4: Simplify right side
    148,799.46x = 16,595,361,455.48
  5. Step 5: Solve for x
    x = 16,595,361,455.48/148,799.46
  6. Step 6: Final answer
    x = 111,528.37

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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.