Home / 120,889.57-166,715.98-75,553.06

Finding the Fourth Proportional to 120,889.57, 166,715.98 and 75,553.06

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Solution

The fourth proportional to 120,889.57, 166,715.98 and 75,553.06 is: 104,193.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,889.57 : 166,715.98 = 75,553.06 : x
  2. Step 2: Convert to fraction form
    120,889.57/166,715.98 = 75,553.06/x
  3. Step 3: Cross multiply
    120,889.57x = 166,715.98 × 75,553.06
  4. Step 4: Simplify right side
    120,889.57x = 12,595,902,439.90
  5. Step 5: Solve for x
    x = 12,595,902,439.90/120,889.57
  6. Step 6: Final answer
    x = 104,193.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.