Home / 189,619.10-284,511.62-89,850.50

Finding the Fourth Proportional to 189,619.10, 284,511.62 and 89,850.50

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Solution

The fourth proportional to 189,619.10, 284,511.62 and 89,850.50 is: 134,815.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,619.10 : 284,511.62 = 89,850.50 : x
  2. Step 2: Convert to fraction form
    189,619.10/284,511.62 = 89,850.50/x
  3. Step 3: Cross multiply
    189,619.10x = 284,511.62 × 89,850.50
  4. Step 4: Simplify right side
    189,619.10x = 25,563,511,312.81
  5. Step 5: Solve for x
    x = 25,563,511,312.81/189,619.10
  6. Step 6: Final answer
    x = 134,815.07

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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.