Home / 154,027.86-230,719.78-123,879.12

Finding the Fourth Proportional to 154,027.86, 230,719.78 and 123,879.12

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Solution

The fourth proportional to 154,027.86, 230,719.78 and 123,879.12 is: 185,559.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,027.86 : 230,719.78 = 123,879.12 : x
  2. Step 2: Convert to fraction form
    154,027.86/230,719.78 = 123,879.12/x
  3. Step 3: Cross multiply
    154,027.86x = 230,719.78 × 123,879.12
  4. Step 4: Simplify right side
    154,027.86x = 28,581,363,312.99
  5. Step 5: Solve for x
    x = 28,581,363,312.99/154,027.86
  6. Step 6: Final answer
    x = 185,559.70

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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.