Home / 99,833.37-137,769.39-54,511.35

Finding the Fourth Proportional to 99,833.37, 137,769.39 and 54,511.35

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Solution

The fourth proportional to 99,833.37, 137,769.39 and 54,511.35 is: 75,225.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,833.37 : 137,769.39 = 54,511.35 : x
  2. Step 2: Convert to fraction form
    99,833.37/137,769.39 = 54,511.35/x
  3. Step 3: Cross multiply
    99,833.37x = 137,769.39 × 54,511.35
  4. Step 4: Simplify right side
    99,833.37x = 7,509,995,437.58
  5. Step 5: Solve for x
    x = 7,509,995,437.58/99,833.37
  6. Step 6: Final answer
    x = 75,225.30

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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.