Home / 137,559.04-206,338.62-90,800.98

Finding the Fourth Proportional to 137,559.04, 206,338.62 and 90,800.98

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Solution

The fourth proportional to 137,559.04, 206,338.62 and 90,800.98 is: 136,201.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,559.04 : 206,338.62 = 90,800.98 : x
  2. Step 2: Convert to fraction form
    137,559.04/206,338.62 = 90,800.98/x
  3. Step 3: Cross multiply
    137,559.04x = 206,338.62 × 90,800.98
  4. Step 4: Simplify right side
    137,559.04x = 18,735,748,907.85
  5. Step 5: Solve for x
    x = 18,735,748,907.85/137,559.04
  6. Step 6: Final answer
    x = 136,201.51

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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.