Home / 102,776.54-141,825.83-57,445.49

Finding the Fourth Proportional to 102,776.54, 141,825.83 and 57,445.49

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Solution

The fourth proportional to 102,776.54, 141,825.83 and 57,445.49 is: 79,271.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,776.54 : 141,825.83 = 57,445.49 : x
  2. Step 2: Convert to fraction form
    102,776.54/141,825.83 = 57,445.49/x
  3. Step 3: Cross multiply
    102,776.54x = 141,825.83 × 57,445.49
  4. Step 4: Simplify right side
    102,776.54x = 8,147,253,302.65
  5. Step 5: Solve for x
    x = 8,147,253,302.65/102,776.54
  6. Step 6: Final answer
    x = 79,271.53

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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.