Home / 109,838.28-164,790.30-57,284.76

Finding the Fourth Proportional to 109,838.28, 164,790.30 and 57,284.76

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Solution

The fourth proportional to 109,838.28, 164,790.30 and 57,284.76 is: 85,944.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,838.28 : 164,790.30 = 57,284.76 : x
  2. Step 2: Convert to fraction form
    109,838.28/164,790.30 = 57,284.76/x
  3. Step 3: Cross multiply
    109,838.28x = 164,790.30 × 57,284.76
  4. Step 4: Simplify right side
    109,838.28x = 9,439,972,785.83
  5. Step 5: Solve for x
    x = 9,439,972,785.83/109,838.28
  6. Step 6: Final answer
    x = 85,944.29

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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.