Home / 193,478.54-266,985.72-108,579.20

Finding the Fourth Proportional to 193,478.54, 266,985.72 and 108,579.20

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Solution

The fourth proportional to 193,478.54, 266,985.72 and 108,579.20 is: 149,831.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,478.54 : 266,985.72 = 108,579.20 : x
  2. Step 2: Convert to fraction form
    193,478.54/266,985.72 = 108,579.20/x
  3. Step 3: Cross multiply
    193,478.54x = 266,985.72 × 108,579.20
  4. Step 4: Simplify right side
    193,478.54x = 28,989,094,554.10
  5. Step 5: Solve for x
    x = 28,989,094,554.10/193,478.54
  6. Step 6: Final answer
    x = 149,831.06

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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.