Home / 138,682.91-208,052.63-62,744.97

Finding the Fourth Proportional to 138,682.91, 208,052.63 and 62,744.97

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Solution

The fourth proportional to 138,682.91, 208,052.63 and 62,744.97 is: 94,130.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,682.91 : 208,052.63 = 62,744.97 : x
  2. Step 2: Convert to fraction form
    138,682.91/208,052.63 = 62,744.97/x
  3. Step 3: Cross multiply
    138,682.91x = 208,052.63 × 62,744.97
  4. Step 4: Simplify right side
    138,682.91x = 13,054,256,729.54
  5. Step 5: Solve for x
    x = 13,054,256,729.54/138,682.91
  6. Step 6: Final answer
    x = 94,130.25

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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.