Home / 109,358.55-164,037.83-74,107.35

Finding the Fourth Proportional to 109,358.55, 164,037.83 and 74,107.35

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Solution

The fourth proportional to 109,358.55, 164,037.83 and 74,107.35 is: 111,161.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,358.55 : 164,037.83 = 74,107.35 : x
  2. Step 2: Convert to fraction form
    109,358.55/164,037.83 = 74,107.35/x
  3. Step 3: Cross multiply
    109,358.55x = 164,037.83 × 74,107.35
  4. Step 4: Simplify right side
    109,358.55x = 12,156,408,510.51
  5. Step 5: Solve for x
    x = 12,156,408,510.51/109,358.55
  6. Step 6: Final answer
    x = 111,161.03

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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.