Home / 138,362.79-207,573.35-44,861.25

Finding the Fourth Proportional to 138,362.79, 207,573.35 and 44,861.25

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Solution

The fourth proportional to 138,362.79, 207,573.35 and 44,861.25 is: 67,301.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,362.79 : 207,573.35 = 44,861.25 : x
  2. Step 2: Convert to fraction form
    138,362.79/207,573.35 = 44,861.25/x
  3. Step 3: Cross multiply
    138,362.79x = 207,573.35 × 44,861.25
  4. Step 4: Simplify right side
    138,362.79x = 9,311,999,723.38
  5. Step 5: Solve for x
    x = 9,311,999,723.38/138,362.79
  6. Step 6: Final answer
    x = 67,301.33

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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.