Home / 99,464.23-137,383.94-72,196.77

Finding the Fourth Proportional to 99,464.23, 137,383.94 and 72,196.77

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Solution

The fourth proportional to 99,464.23, 137,383.94 and 72,196.77 is: 99,721.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,464.23 : 137,383.94 = 72,196.77 : x
  2. Step 2: Convert to fraction form
    99,464.23/137,383.94 = 72,196.77/x
  3. Step 3: Cross multiply
    99,464.23x = 137,383.94 × 72,196.77
  4. Step 4: Simplify right side
    99,464.23x = 9,918,676,717.87
  5. Step 5: Solve for x
    x = 9,918,676,717.87/99,464.23
  6. Step 6: Final answer
    x = 99,721.04

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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.