Home / 189,171.85-283,562.23-87,887.28

Finding the Fourth Proportional to 189,171.85, 283,562.23 and 87,887.28

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Solution

The fourth proportional to 189,171.85, 283,562.23 and 87,887.28 is: 131,740.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,171.85 : 283,562.23 = 87,887.28 : x
  2. Step 2: Convert to fraction form
    189,171.85/283,562.23 = 87,887.28/x
  3. Step 3: Cross multiply
    189,171.85x = 283,562.23 × 87,887.28
  4. Step 4: Simplify right side
    189,171.85x = 24,921,511,248.19
  5. Step 5: Solve for x
    x = 24,921,511,248.19/189,171.85
  6. Step 6: Final answer
    x = 131,740.06

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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.