Home / 206,990.76-310,387.86-94,637.64

Finding the Fourth Proportional to 206,990.76, 310,387.86 and 94,637.64

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Solution

The fourth proportional to 206,990.76, 310,387.86 and 94,637.64 is: 141,911.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,990.76 : 310,387.86 = 94,637.64 : x
  2. Step 2: Convert to fraction form
    206,990.76/310,387.86 = 94,637.64/x
  3. Step 3: Cross multiply
    206,990.76x = 310,387.86 × 94,637.64
  4. Step 4: Simplify right side
    206,990.76x = 29,374,374,555.05
  5. Step 5: Solve for x
    x = 29,374,374,555.05/206,990.76
  6. Step 6: Final answer
    x = 141,911.53

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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.