Home / 158,968.35-238,534.29-87,877.71

Finding the Fourth Proportional to 158,968.35, 238,534.29 and 87,877.71

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Solution

The fourth proportional to 158,968.35, 238,534.29 and 87,877.71 is: 131,861.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,968.35 : 238,534.29 = 87,877.71 : x
  2. Step 2: Convert to fraction form
    158,968.35/238,534.29 = 87,877.71/x
  3. Step 3: Cross multiply
    158,968.35x = 238,534.29 × 87,877.71
  4. Step 4: Simplify right side
    158,968.35x = 20,961,847,161.68
  5. Step 5: Solve for x
    x = 20,961,847,161.68/158,968.35
  6. Step 6: Final answer
    x = 131,861.76

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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.