Home / 103,349.18-154,879.43-55,861.92

Finding the Fourth Proportional to 103,349.18, 154,879.43 and 55,861.92

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Solution

The fourth proportional to 103,349.18, 154,879.43 and 55,861.92 is: 83,714.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,349.18 : 154,879.43 = 55,861.92 : x
  2. Step 2: Convert to fraction form
    103,349.18/154,879.43 = 55,861.92/x
  3. Step 3: Cross multiply
    103,349.18x = 154,879.43 × 55,861.92
  4. Step 4: Simplify right side
    103,349.18x = 8,651,862,049.00
  5. Step 5: Solve for x
    x = 8,651,862,049.00/103,349.18
  6. Step 6: Final answer
    x = 83,714.86

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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.