Home / 109,563.87-164,737.05-100,903.35

Finding the Fourth Proportional to 109,563.87, 164,737.05 and 100,903.35

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Solution

The fourth proportional to 109,563.87, 164,737.05 and 100,903.35 is: 151,715.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,563.87 : 164,737.05 = 100,903.35 : x
  2. Step 2: Convert to fraction form
    109,563.87/164,737.05 = 100,903.35/x
  3. Step 3: Cross multiply
    109,563.87x = 164,737.05 × 100,903.35
  4. Step 4: Simplify right side
    109,563.87x = 16,622,520,214.12
  5. Step 5: Solve for x
    x = 16,622,520,214.12/109,563.87
  6. Step 6: Final answer
    x = 151,715.34

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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.