Home / 109,568.70-164,371.18-38,472.86

Finding the Fourth Proportional to 109,568.70, 164,371.18 and 38,472.86

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Solution

The fourth proportional to 109,568.70, 164,371.18 and 38,472.86 is: 57,715.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,568.70 : 164,371.18 = 38,472.86 : x
  2. Step 2: Convert to fraction form
    109,568.70/164,371.18 = 38,472.86/x
  3. Step 3: Cross multiply
    109,568.70x = 164,371.18 × 38,472.86
  4. Step 4: Simplify right side
    109,568.70x = 6,323,829,396.17
  5. Step 5: Solve for x
    x = 6,323,829,396.17/109,568.70
  6. Step 6: Final answer
    x = 57,715.66

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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.