Home / 187,412.22-258,598.71-106,839.90

Finding the Fourth Proportional to 187,412.22, 258,598.71 and 106,839.90

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Solution

The fourth proportional to 187,412.22, 258,598.71 and 106,839.90 is: 147,421.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,412.22 : 258,598.71 = 106,839.90 : x
  2. Step 2: Convert to fraction form
    187,412.22/258,598.71 = 106,839.90/x
  3. Step 3: Cross multiply
    187,412.22x = 258,598.71 × 106,839.90
  4. Step 4: Simplify right side
    187,412.22x = 27,628,660,316.53
  5. Step 5: Solve for x
    x = 27,628,660,316.53/187,412.22
  6. Step 6: Final answer
    x = 147,421.87

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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.