Home / 102,692.57-141,714.14-57,371.18

Finding the Fourth Proportional to 102,692.57, 141,714.14 and 57,371.18

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Solution

The fourth proportional to 102,692.57, 141,714.14 and 57,371.18 is: 79,171.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,692.57 : 141,714.14 = 57,371.18 : x
  2. Step 2: Convert to fraction form
    102,692.57/141,714.14 = 57,371.18/x
  3. Step 3: Cross multiply
    102,692.57x = 141,714.14 × 57,371.18
  4. Step 4: Simplify right side
    102,692.57x = 8,130,306,439.06
  5. Step 5: Solve for x
    x = 8,130,306,439.06/102,692.57
  6. Step 6: Final answer
    x = 79,171.33

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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.