Home / 103,357.59-142,634.97-58,045.38

Finding the Fourth Proportional to 103,357.59, 142,634.97 and 58,045.38

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Solution

The fourth proportional to 103,357.59, 142,634.97 and 58,045.38 is: 80,103.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,357.59 : 142,634.97 = 58,045.38 : x
  2. Step 2: Convert to fraction form
    103,357.59/142,634.97 = 58,045.38/x
  3. Step 3: Cross multiply
    103,357.59x = 142,634.97 × 58,045.38
  4. Step 4: Simplify right side
    103,357.59x = 8,279,301,034.94
  5. Step 5: Solve for x
    x = 8,279,301,034.94/103,357.59
  6. Step 6: Final answer
    x = 80,103.46

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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.