Home / 137,124.90-205,707.87-43,651.62

Finding the Fourth Proportional to 137,124.90, 205,707.87 and 43,651.62

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Solution

The fourth proportional to 137,124.90, 205,707.87 and 43,651.62 is: 65,483.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,124.90 : 205,707.87 = 43,651.62 : x
  2. Step 2: Convert to fraction form
    137,124.90/205,707.87 = 43,651.62/x
  3. Step 3: Cross multiply
    137,124.90x = 205,707.87 × 43,651.62
  4. Step 4: Simplify right side
    137,124.90x = 8,979,481,772.25
  5. Step 5: Solve for x
    x = 8,979,481,772.25/137,124.90
  6. Step 6: Final answer
    x = 65,483.96

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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.