Home / 158,716.86-219,028.61-87,098.07

Finding the Fourth Proportional to 158,716.86, 219,028.61 and 87,098.07

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Solution

The fourth proportional to 158,716.86, 219,028.61 and 87,098.07 is: 120,194.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,716.86 : 219,028.61 = 87,098.07 : x
  2. Step 2: Convert to fraction form
    158,716.86/219,028.61 = 87,098.07/x
  3. Step 3: Cross multiply
    158,716.86x = 219,028.61 × 87,098.07
  4. Step 4: Simplify right side
    158,716.86x = 19,076,969,205.78
  5. Step 5: Solve for x
    x = 19,076,969,205.78/158,716.86
  6. Step 6: Final answer
    x = 120,194.98

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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.