Home / 102,826.40-141,899.42-57,503.86

Finding the Fourth Proportional to 102,826.40, 141,899.42 and 57,503.86

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Solution

The fourth proportional to 102,826.40, 141,899.42 and 57,503.86 is: 79,354.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,826.40 : 141,899.42 = 57,503.86 : x
  2. Step 2: Convert to fraction form
    102,826.40/141,899.42 = 57,503.86/x
  3. Step 3: Cross multiply
    102,826.40x = 141,899.42 × 57,503.86
  4. Step 4: Simplify right side
    102,826.40x = 8,159,764,381.76
  5. Step 5: Solve for x
    x = 8,159,764,381.76/102,826.40
  6. Step 6: Final answer
    x = 79,354.76

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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.