Home / 193,482.47-266,991.15-108,583.13

Finding the Fourth Proportional to 193,482.47, 266,991.15 and 108,583.13

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Solution

The fourth proportional to 193,482.47, 266,991.15 and 108,583.13 is: 149,836.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,482.47 : 266,991.15 = 108,583.13 : x
  2. Step 2: Convert to fraction form
    193,482.47/266,991.15 = 108,583.13/x
  3. Step 3: Cross multiply
    193,482.47x = 266,991.15 × 108,583.13
  4. Step 4: Simplify right side
    193,482.47x = 28,990,733,685.80
  5. Step 5: Solve for x
    x = 28,990,733,685.80/193,482.47
  6. Step 6: Final answer
    x = 149,836.49

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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.