Home / 102,849.84-141,945.92-57,530.34

Finding the Fourth Proportional to 102,849.84, 141,945.92 and 57,530.34

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Solution

The fourth proportional to 102,849.84, 141,945.92 and 57,530.34 is: 79,399.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,849.84 : 141,945.92 = 57,530.34 : x
  2. Step 2: Convert to fraction form
    102,849.84/141,945.92 = 57,530.34/x
  3. Step 3: Cross multiply
    102,849.84x = 141,945.92 × 57,530.34
  4. Step 4: Simplify right side
    102,849.84x = 8,166,196,751.56
  5. Step 5: Solve for x
    x = 8,166,196,751.56/102,849.84
  6. Step 6: Final answer
    x = 79,399.22

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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.