Home / 102,211.10-141,051.11-57,499.10

Finding the Fourth Proportional to 102,211.10, 141,051.11 and 57,499.10

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Solution

The fourth proportional to 102,211.10, 141,051.11 and 57,499.10 is: 79,348.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,211.10 : 141,051.11 = 57,499.10 : x
  2. Step 2: Convert to fraction form
    102,211.10/141,051.11 = 57,499.10/x
  3. Step 3: Cross multiply
    102,211.10x = 141,051.11 × 57,499.10
  4. Step 4: Simplify right side
    102,211.10x = 8,110,311,879.00
  5. Step 5: Solve for x
    x = 8,110,311,879.00/102,211.10
  6. Step 6: Final answer
    x = 79,348.64

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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.