Home / 123,974.16-171,083.32-67,385.36

Finding the Fourth Proportional to 123,974.16, 171,083.32 and 67,385.36

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Solution

The fourth proportional to 123,974.16, 171,083.32 and 67,385.36 is: 92,991.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,974.16 : 171,083.32 = 67,385.36 : x
  2. Step 2: Convert to fraction form
    123,974.16/171,083.32 = 67,385.36/x
  3. Step 3: Cross multiply
    123,974.16x = 171,083.32 × 67,385.36
  4. Step 4: Simplify right side
    123,974.16x = 11,528,511,108.20
  5. Step 5: Solve for x
    x = 11,528,511,108.20/123,974.16
  6. Step 6: Final answer
    x = 92,991.24

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1.5x scale

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.