Home / 138,141.56-207,145.38-63,239.24

Finding the Fourth Proportional to 138,141.56, 207,145.38 and 63,239.24

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Solution

The fourth proportional to 138,141.56, 207,145.38 and 63,239.24 is: 94,828.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,141.56 : 207,145.38 = 63,239.24 : x
  2. Step 2: Convert to fraction form
    138,141.56/207,145.38 = 63,239.24/x
  3. Step 3: Cross multiply
    138,141.56x = 207,145.38 × 63,239.24
  4. Step 4: Simplify right side
    138,141.56x = 13,099,716,400.71
  5. Step 5: Solve for x
    x = 13,099,716,400.71/138,141.56
  6. Step 6: Final answer
    x = 94,828.21

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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.