Home / 158,796.93-219,140.13-87,181.57

Finding the Fourth Proportional to 158,796.93, 219,140.13 and 87,181.57

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Solution

The fourth proportional to 158,796.93, 219,140.13 and 87,181.57 is: 120,310.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,796.93 : 219,140.13 = 87,181.57 : x
  2. Step 2: Convert to fraction form
    158,796.93/219,140.13 = 87,181.57/x
  3. Step 3: Cross multiply
    158,796.93x = 219,140.13 × 87,181.57
  4. Step 4: Simplify right side
    158,796.93x = 19,104,979,951.60
  5. Step 5: Solve for x
    x = 19,104,979,951.60/158,796.93
  6. Step 6: Final answer
    x = 120,310.76

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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.