Home / 154,189.83-231,258.23-41,879.10

Finding the Fourth Proportional to 154,189.83, 231,258.23 and 41,879.10

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Solution

The fourth proportional to 154,189.83, 231,258.23 and 41,879.10 is: 62,811.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,189.83 : 231,258.23 = 41,879.10 : x
  2. Step 2: Convert to fraction form
    154,189.83/231,258.23 = 41,879.10/x
  3. Step 3: Cross multiply
    154,189.83x = 231,258.23 × 41,879.10
  4. Step 4: Simplify right side
    154,189.83x = 9,684,887,354.86
  5. Step 5: Solve for x
    x = 9,684,887,354.86/154,189.83
  6. Step 6: Final answer
    x = 62,811.45

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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.