Home / 137,830.50-206,801.58-93,431.94

Finding the Fourth Proportional to 137,830.50, 206,801.58 and 93,431.94

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Solution

The fourth proportional to 137,830.50, 206,801.58 and 93,431.94 is: 140,185.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,830.50 : 206,801.58 = 93,431.94 : x
  2. Step 2: Convert to fraction form
    137,830.50/206,801.58 = 93,431.94/x
  3. Step 3: Cross multiply
    137,830.50x = 206,801.58 × 93,431.94
  4. Step 4: Simplify right side
    137,830.50x = 19,321,872,814.47
  5. Step 5: Solve for x
    x = 19,321,872,814.47/137,830.50
  6. Step 6: Final answer
    x = 140,185.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.