Home / 99,426.51-137,205.82-54,103.44

Finding the Fourth Proportional to 99,426.51, 137,205.82 and 54,103.44

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Solution

The fourth proportional to 99,426.51, 137,205.82 and 54,103.44 is: 74,661.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,426.51 : 137,205.82 = 54,103.44 : x
  2. Step 2: Convert to fraction form
    99,426.51/137,205.82 = 54,103.44/x
  3. Step 3: Cross multiply
    99,426.51x = 137,205.82 × 54,103.44
  4. Step 4: Simplify right side
    99,426.51x = 7,423,306,850.02
  5. Step 5: Solve for x
    x = 7,423,306,850.02/99,426.51
  6. Step 6: Final answer
    x = 74,661.24

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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.