Home / 137,035.85-205,556.04-48,290.42

Finding the Fourth Proportional to 137,035.85, 205,556.04 and 48,290.42

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Solution

The fourth proportional to 137,035.85, 205,556.04 and 48,290.42 is: 72,436.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,035.85 : 205,556.04 = 48,290.42 : x
  2. Step 2: Convert to fraction form
    137,035.85/205,556.04 = 48,290.42/x
  3. Step 3: Cross multiply
    137,035.85x = 205,556.04 × 48,290.42
  4. Step 4: Simplify right side
    137,035.85x = 9,926,388,019.03
  5. Step 5: Solve for x
    x = 9,926,388,019.03/137,035.85
  6. Step 6: Final answer
    x = 72,436.43

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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.