Home / 102,847.65-141,942.89-57,528.15

Finding the Fourth Proportional to 102,847.65, 141,942.89 and 57,528.15

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Solution

The fourth proportional to 102,847.65, 141,942.89 and 57,528.15 is: 79,396.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,847.65 : 141,942.89 = 57,528.15 : x
  2. Step 2: Convert to fraction form
    102,847.65/141,942.89 = 57,528.15/x
  3. Step 3: Cross multiply
    102,847.65x = 141,942.89 × 57,528.15
  4. Step 4: Simplify right side
    102,847.65x = 8,165,711,867.35
  5. Step 5: Solve for x
    x = 8,165,711,867.35/102,847.65
  6. Step 6: Final answer
    x = 79,396.19

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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.