Home / 158,045-236,780.42-91,344.26

Finding the Fourth Proportional to 158,045, 236,780.42 and 91,344.26

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Solution

The fourth proportional to 158,045, 236,780.42 and 91,344.26 is: 136,850.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,045 : 236,780.42 = 91,344.26 : x
  2. Step 2: Convert to fraction form
    158,045/236,780.42 = 91,344.26/x
  3. Step 3: Cross multiply
    158,045x = 236,780.42 × 91,344.26
  4. Step 4: Simplify right side
    158,045x = 21,628,532,247.39
  5. Step 5: Solve for x
    x = 21,628,532,247.39/158,045
  6. Step 6: Final answer
    x = 136,850.47

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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.