Home / 189,573.32-284,141.28-71,169.14

Finding the Fourth Proportional to 189,573.32, 284,141.28 and 71,169.14

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Solution

The fourth proportional to 189,573.32, 284,141.28 and 71,169.14 is: 106,671.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,573.32 : 284,141.28 = 71,169.14 : x
  2. Step 2: Convert to fraction form
    189,573.32/284,141.28 = 71,169.14/x
  3. Step 3: Cross multiply
    189,573.32x = 284,141.28 × 71,169.14
  4. Step 4: Simplify right side
    189,573.32x = 20,222,090,536.10
  5. Step 5: Solve for x
    x = 20,222,090,536.10/189,573.32
  6. Step 6: Final answer
    x = 106,671.61

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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.