Home / 129,669.70-193,140.84-123,602.50

Finding the Fourth Proportional to 129,669.70, 193,140.84 and 123,602.50

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Solution

The fourth proportional to 129,669.70, 193,140.84 and 123,602.50 is: 184,103.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,669.70 : 193,140.84 = 123,602.50 : x
  2. Step 2: Convert to fraction form
    129,669.70/193,140.84 = 123,602.50/x
  3. Step 3: Cross multiply
    129,669.70x = 193,140.84 × 123,602.50
  4. Step 4: Simplify right side
    129,669.70x = 23,872,690,676.10
  5. Step 5: Solve for x
    x = 23,872,690,676.10/129,669.70
  6. Step 6: Final answer
    x = 184,103.85

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.