Home / 137,795.42-206,332.27-90,260.97

Finding the Fourth Proportional to 137,795.42, 206,332.27 and 90,260.97

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Solution

The fourth proportional to 137,795.42, 206,332.27 and 90,260.97 is: 135,155.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,795.42 : 206,332.27 = 90,260.97 : x
  2. Step 2: Convert to fraction form
    137,795.42/206,332.27 = 90,260.97/x
  3. Step 3: Cross multiply
    137,795.42x = 206,332.27 × 90,260.97
  4. Step 4: Simplify right side
    137,795.42x = 18,623,750,767.03
  5. Step 5: Solve for x
    x = 18,623,750,767.03/137,795.42
  6. Step 6: Final answer
    x = 135,155.08

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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.