Home / 193,478.03-266,985.03-108,578.69

Finding the Fourth Proportional to 193,478.03, 266,985.03 and 108,578.69

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Solution

The fourth proportional to 193,478.03, 266,985.03 and 108,578.69 is: 149,830.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,478.03 : 266,985.03 = 108,578.69 : x
  2. Step 2: Convert to fraction form
    193,478.03/266,985.03 = 108,578.69/x
  3. Step 3: Cross multiply
    193,478.03x = 266,985.03 × 108,578.69
  4. Step 4: Simplify right side
    193,478.03x = 28,988,884,807.01
  5. Step 5: Solve for x
    x = 28,988,884,807.01/193,478.03
  6. Step 6: Final answer
    x = 149,830.37

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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.