Home / 99,953.02-137,845.87-82,930.31

Finding the Fourth Proportional to 99,953.02, 137,845.87 and 82,930.31

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Solution

The fourth proportional to 99,953.02, 137,845.87 and 82,930.31 is: 114,369.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,953.02 : 137,845.87 = 82,930.31 : x
  2. Step 2: Convert to fraction form
    99,953.02/137,845.87 = 82,930.31/x
  3. Step 3: Cross multiply
    99,953.02x = 137,845.87 × 82,930.31
  4. Step 4: Simplify right side
    99,953.02x = 11,431,600,731.32
  5. Step 5: Solve for x
    x = 11,431,600,731.32/99,953.02
  6. Step 6: Final answer
    x = 114,369.74

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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.