Home / 131,893.83-197,868.42-43,140.40

Finding the Fourth Proportional to 131,893.83, 197,868.42 and 43,140.40

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Solution

The fourth proportional to 131,893.83, 197,868.42 and 43,140.40 is: 64,719.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,893.83 : 197,868.42 = 43,140.40 : x
  2. Step 2: Convert to fraction form
    131,893.83/197,868.42 = 43,140.40/x
  3. Step 3: Cross multiply
    131,893.83x = 197,868.42 × 43,140.40
  4. Step 4: Simplify right side
    131,893.83x = 8,536,122,786.17
  5. Step 5: Solve for x
    x = 8,536,122,786.17/131,893.83
  6. Step 6: Final answer
    x = 64,719.65

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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.