Home / 192,505.02-288,806.74-74,144.58

Finding the Fourth Proportional to 192,505.02, 288,806.74 and 74,144.58

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Solution

The fourth proportional to 192,505.02, 288,806.74 and 74,144.58 is: 111,235.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,505.02 : 288,806.74 = 74,144.58 : x
  2. Step 2: Convert to fraction form
    192,505.02/288,806.74 = 74,144.58/x
  3. Step 3: Cross multiply
    192,505.02x = 288,806.74 × 74,144.58
  4. Step 4: Simplify right side
    192,505.02x = 21,413,454,438.47
  5. Step 5: Solve for x
    x = 21,413,454,438.47/192,505.02
  6. Step 6: Final answer
    x = 111,235.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.