Home / 137,623.50-206,469.93-39,127.50

Finding the Fourth Proportional to 137,623.50, 206,469.93 and 39,127.50

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Solution

The fourth proportional to 137,623.50, 206,469.93 and 39,127.50 is: 58,701.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,623.50 : 206,469.93 = 39,127.50 : x
  2. Step 2: Convert to fraction form
    137,623.50/206,469.93 = 39,127.50/x
  3. Step 3: Cross multiply
    137,623.50x = 206,469.93 × 39,127.50
  4. Step 4: Simplify right side
    137,623.50x = 8,078,652,186.08
  5. Step 5: Solve for x
    x = 8,078,652,186.08/137,623.50
  6. Step 6: Final answer
    x = 58,701.11

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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.