Home / 131,880.85-181,995.33-71,453.04

Finding the Fourth Proportional to 131,880.85, 181,995.33 and 71,453.04

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Solution

The fourth proportional to 131,880.85, 181,995.33 and 71,453.04 is: 98,605.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,880.85 : 181,995.33 = 71,453.04 : x
  2. Step 2: Convert to fraction form
    131,880.85/181,995.33 = 71,453.04/x
  3. Step 3: Cross multiply
    131,880.85x = 181,995.33 × 71,453.04
  4. Step 4: Simplify right side
    131,880.85x = 13,004,119,594.30
  5. Step 5: Solve for x
    x = 13,004,119,594.30/131,880.85
  6. Step 6: Final answer
    x = 98,605.06

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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.