Home / 138,270.04-207,405.06-49,585.82

Finding the Fourth Proportional to 138,270.04, 207,405.06 and 49,585.82

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Solution

The fourth proportional to 138,270.04, 207,405.06 and 49,585.82 is: 74,378.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,270.04 : 207,405.06 = 49,585.82 : x
  2. Step 2: Convert to fraction form
    138,270.04/207,405.06 = 49,585.82/x
  3. Step 3: Cross multiply
    138,270.04x = 207,405.06 × 49,585.82
  4. Step 4: Simplify right side
    138,270.04x = 10,284,350,490.76
  5. Step 5: Solve for x
    x = 10,284,350,490.76/138,270.04
  6. Step 6: Final answer
    x = 74,378.73

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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.