Home / 187,732.71-259,089.72-107,172.36

Finding the Fourth Proportional to 187,732.71, 259,089.72 and 107,172.36

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Solution

The fourth proportional to 187,732.71, 259,089.72 and 107,172.36 is: 147,908.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,732.71 : 259,089.72 = 107,172.36 : x
  2. Step 2: Convert to fraction form
    187,732.71/259,089.72 = 107,172.36/x
  3. Step 3: Cross multiply
    187,732.71x = 259,089.72 × 107,172.36
  4. Step 4: Simplify right side
    187,732.71x = 27,767,256,744.14
  5. Step 5: Solve for x
    x = 27,767,256,744.14/187,732.71
  6. Step 6: Final answer
    x = 147,908.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.