Home / 138,184.32-207,262.80-49,434.24

Finding the Fourth Proportional to 138,184.32, 207,262.80 and 49,434.24

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Solution

The fourth proportional to 138,184.32, 207,262.80 and 49,434.24 is: 74,146.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,184.32 : 207,262.80 = 49,434.24 : x
  2. Step 2: Convert to fraction form
    138,184.32/207,262.80 = 49,434.24/x
  3. Step 3: Cross multiply
    138,184.32x = 207,262.80 × 49,434.24
  4. Step 4: Simplify right side
    138,184.32x = 10,245,878,998.27
  5. Step 5: Solve for x
    x = 10,245,878,998.27/138,184.32
  6. Step 6: Final answer
    x = 74,146.47

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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.