Home / 99,426.61-137,208.97-54,104.57

Finding the Fourth Proportional to 99,426.61, 137,208.97 and 54,104.57

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Solution

The fourth proportional to 99,426.61, 137,208.97 and 54,104.57 is: 74,664.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,426.61 : 137,208.97 = 54,104.57 : x
  2. Step 2: Convert to fraction form
    99,426.61/137,208.97 = 54,104.57/x
  3. Step 3: Cross multiply
    99,426.61x = 137,208.97 × 54,104.57
  4. Step 4: Simplify right side
    99,426.61x = 7,423,632,321.99
  5. Step 5: Solve for x
    x = 7,423,632,321.99/99,426.61
  6. Step 6: Final answer
    x = 74,664.44

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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.