Home / 189,002.45-283,405.24-89,135.83

Finding the Fourth Proportional to 189,002.45, 283,405.24 and 89,135.83

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Solution

The fourth proportional to 189,002.45, 283,405.24 and 89,135.83 is: 133,657.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,002.45 : 283,405.24 = 89,135.83 : x
  2. Step 2: Convert to fraction form
    189,002.45/283,405.24 = 89,135.83/x
  3. Step 3: Cross multiply
    189,002.45x = 283,405.24 × 89,135.83
  4. Step 4: Simplify right side
    189,002.45x = 25,261,559,431.04
  5. Step 5: Solve for x
    x = 25,261,559,431.04/189,002.45
  6. Step 6: Final answer
    x = 133,657.32

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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.