Home / 137,027.10-205,540.65-105,884.70

Finding the Fourth Proportional to 137,027.10, 205,540.65 and 105,884.70

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Solution

The fourth proportional to 137,027.10, 205,540.65 and 105,884.70 is: 158,827.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,027.10 : 205,540.65 = 105,884.70 : x
  2. Step 2: Convert to fraction form
    137,027.10/205,540.65 = 105,884.70/x
  3. Step 3: Cross multiply
    137,027.10x = 205,540.65 × 105,884.70
  4. Step 4: Simplify right side
    137,027.10x = 21,763,610,063.06
  5. Step 5: Solve for x
    x = 21,763,610,063.06/137,027.10
  6. Step 6: Final answer
    x = 158,827.05

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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.