Home / 102,467.98-141,405.54-57,146.02

Finding the Fourth Proportional to 102,467.98, 141,405.54 and 57,146.02

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Solution

The fourth proportional to 102,467.98, 141,405.54 and 57,146.02 is: 78,861.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,467.98 : 141,405.54 = 57,146.02 : x
  2. Step 2: Convert to fraction form
    102,467.98/141,405.54 = 57,146.02/x
  3. Step 3: Cross multiply
    102,467.98x = 141,405.54 × 57,146.02
  4. Step 4: Simplify right side
    102,467.98x = 8,080,763,816.95
  5. Step 5: Solve for x
    x = 8,080,763,816.95/102,467.98
  6. Step 6: Final answer
    x = 78,861.36

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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.