Home / 158,835.54-219,195.54-87,222

Finding the Fourth Proportional to 158,835.54, 219,195.54 and 87,222

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Solution

The fourth proportional to 158,835.54, 219,195.54 and 87,222 is: 120,367.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,835.54 : 219,195.54 = 87,222 : x
  2. Step 2: Convert to fraction form
    158,835.54/219,195.54 = 87,222/x
  3. Step 3: Cross multiply
    158,835.54x = 219,195.54 × 87,222
  4. Step 4: Simplify right side
    158,835.54x = 19,118,673,389.88
  5. Step 5: Solve for x
    x = 19,118,673,389.88/158,835.54
  6. Step 6: Final answer
    x = 120,367.73

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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.