Home / 102,934.33-142,016.99-57,605.11

Finding the Fourth Proportional to 102,934.33, 142,016.99 and 57,605.11

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Solution

The fourth proportional to 102,934.33, 142,016.99 and 57,605.11 is: 79,476.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,934.33 : 142,016.99 = 57,605.11 : x
  2. Step 2: Convert to fraction form
    102,934.33/142,016.99 = 57,605.11/x
  3. Step 3: Cross multiply
    102,934.33x = 142,016.99 × 57,605.11
  4. Step 4: Simplify right side
    102,934.33x = 8,180,903,687.75
  5. Step 5: Solve for x
    x = 8,180,903,687.75/102,934.33
  6. Step 6: Final answer
    x = 79,476.92

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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.