Home / 131,870.43-197,666.19-43,100.10

Finding the Fourth Proportional to 131,870.43, 197,666.19 and 43,100.10

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Solution

The fourth proportional to 131,870.43, 197,666.19 and 43,100.10 is: 64,604.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,870.43 : 197,666.19 = 43,100.10 : x
  2. Step 2: Convert to fraction form
    131,870.43/197,666.19 = 43,100.10/x
  3. Step 3: Cross multiply
    131,870.43x = 197,666.19 × 43,100.10
  4. Step 4: Simplify right side
    131,870.43x = 8,519,432,555.62
  5. Step 5: Solve for x
    x = 8,519,432,555.62/131,870.43
  6. Step 6: Final answer
    x = 64,604.57

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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.