Home / 189,472.29-284,057.51-109,419.41

Finding the Fourth Proportional to 189,472.29, 284,057.51 and 109,419.41

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Solution

The fourth proportional to 189,472.29, 284,057.51 and 109,419.41 is: 164,041.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,472.29 : 284,057.51 = 109,419.41 : x
  2. Step 2: Convert to fraction form
    189,472.29/284,057.51 = 109,419.41/x
  3. Step 3: Cross multiply
    189,472.29x = 284,057.51 × 109,419.41
  4. Step 4: Simplify right side
    189,472.29x = 31,081,403,182.88
  5. Step 5: Solve for x
    x = 31,081,403,182.88/189,472.29
  6. Step 6: Final answer
    x = 164,041.95

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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.