Home / 138,853.44-207,275.04-122,038.56

Finding the Fourth Proportional to 138,853.44, 207,275.04 and 122,038.56

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Solution

The fourth proportional to 138,853.44, 207,275.04 and 122,038.56 is: 182,174.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,853.44 : 207,275.04 = 122,038.56 : x
  2. Step 2: Convert to fraction form
    138,853.44/207,275.04 = 122,038.56/x
  3. Step 3: Cross multiply
    138,853.44x = 207,275.04 × 122,038.56
  4. Step 4: Simplify right side
    138,853.44x = 25,295,547,405.54
  5. Step 5: Solve for x
    x = 25,295,547,405.54/138,853.44
  6. Step 6: Final answer
    x = 182,174.44

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.