Home / 99,801.24-137,664.52-67,984.44

Finding the Fourth Proportional to 99,801.24, 137,664.52 and 67,984.44

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Solution

The fourth proportional to 99,801.24, 137,664.52 and 67,984.44 is: 93,776.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,801.24 : 137,664.52 = 67,984.44 : x
  2. Step 2: Convert to fraction form
    99,801.24/137,664.52 = 67,984.44/x
  3. Step 3: Cross multiply
    99,801.24x = 137,664.52 × 67,984.44
  4. Step 4: Simplify right side
    99,801.24x = 9,359,045,300.07
  5. Step 5: Solve for x
    x = 9,359,045,300.07/99,801.24
  6. Step 6: Final answer
    x = 93,776.84

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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.