Home / 102,934.23-142,049.75-57,613.10

Finding the Fourth Proportional to 102,934.23, 142,049.75 and 57,613.10

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Solution

The fourth proportional to 102,934.23, 142,049.75 and 57,613.10 is: 79,506.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,934.23 : 142,049.75 = 57,613.10 : x
  2. Step 2: Convert to fraction form
    102,934.23/142,049.75 = 57,613.10/x
  3. Step 3: Cross multiply
    102,934.23x = 142,049.75 × 57,613.10
  4. Step 4: Simplify right side
    102,934.23x = 8,183,926,177.00
  5. Step 5: Solve for x
    x = 8,183,926,177.00/102,934.23
  6. Step 6: Final answer
    x = 79,506.36

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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.