Home / 102,371.46-141,272.75-57,048.44

Finding the Fourth Proportional to 102,371.46, 141,272.75 and 57,048.44

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Solution

The fourth proportional to 102,371.46, 141,272.75 and 57,048.44 is: 78,726.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,371.46 : 141,272.75 = 57,048.44 : x
  2. Step 2: Convert to fraction form
    102,371.46/141,272.75 = 57,048.44/x
  3. Step 3: Cross multiply
    102,371.46x = 141,272.75 × 57,048.44
  4. Step 4: Simplify right side
    102,371.46x = 8,059,390,069.95
  5. Step 5: Solve for x
    x = 8,059,390,069.95/102,371.46
  6. Step 6: Final answer
    x = 78,726.93

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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.