Home / 109,938.40-164,415.52-92,223.70

Finding the Fourth Proportional to 109,938.40, 164,415.52 and 92,223.70

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Solution

The fourth proportional to 109,938.40, 164,415.52 and 92,223.70 is: 137,922.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,938.40 : 164,415.52 = 92,223.70 : x
  2. Step 2: Convert to fraction form
    109,938.40/164,415.52 = 92,223.70/x
  3. Step 3: Cross multiply
    109,938.40x = 164,415.52 × 92,223.70
  4. Step 4: Simplify right side
    109,938.40x = 15,163,007,591.82
  5. Step 5: Solve for x
    x = 15,163,007,591.82/109,938.40
  6. Step 6: Final answer
    x = 137,922.76

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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.