Home / 102,417.21-141,321.89-57,093.00

Finding the Fourth Proportional to 102,417.21, 141,321.89 and 57,093.00

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Solution

The fourth proportional to 102,417.21, 141,321.89 and 57,093.00 is: 78,780.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,417.21 : 141,321.89 = 57,093.00 : x
  2. Step 2: Convert to fraction form
    102,417.21/141,321.89 = 57,093.00/x
  3. Step 3: Cross multiply
    102,417.21x = 141,321.89 × 57,093.00
  4. Step 4: Simplify right side
    102,417.21x = 8,068,490,912.91
  5. Step 5: Solve for x
    x = 8,068,490,912.91/102,417.21
  6. Step 6: Final answer
    x = 78,780.62

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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.