Home / 137,449.08-206,205.89-42,674.45

Finding the Fourth Proportional to 137,449.08, 206,205.89 and 42,674.45

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Solution

The fourth proportional to 137,449.08, 206,205.89 and 42,674.45 is: 64,021.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,449.08 : 206,205.89 = 42,674.45 : x
  2. Step 2: Convert to fraction form
    137,449.08/206,205.89 = 42,674.45/x
  3. Step 3: Cross multiply
    137,449.08x = 206,205.89 × 42,674.45
  4. Step 4: Simplify right side
    137,449.08x = 8,799,721,698.11
  5. Step 5: Solve for x
    x = 8,799,721,698.11/137,449.08
  6. Step 6: Final answer
    x = 64,021.68

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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.