Home / 102,338.60-141,217.62-57,011.96

Finding the Fourth Proportional to 102,338.60, 141,217.62 and 57,011.96

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Solution

The fourth proportional to 102,338.60, 141,217.62 and 57,011.96 is: 78,671.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,338.60 : 141,217.62 = 57,011.96 : x
  2. Step 2: Convert to fraction form
    102,338.60/141,217.62 = 57,011.96/x
  3. Step 3: Cross multiply
    102,338.60x = 141,217.62 × 57,011.96
  4. Step 4: Simplify right side
    102,338.60x = 8,051,093,302.74
  5. Step 5: Solve for x
    x = 8,051,093,302.74/102,338.60
  6. Step 6: Final answer
    x = 78,671.13

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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.