Home / 131,880.79-181,995.24-71,452.94

Finding the Fourth Proportional to 131,880.79, 181,995.24 and 71,452.94

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Solution

The fourth proportional to 131,880.79, 181,995.24 and 71,452.94 is: 98,604.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,880.79 : 181,995.24 = 71,452.94 : x
  2. Step 2: Convert to fraction form
    131,880.79/181,995.24 = 71,452.94/x
  3. Step 3: Cross multiply
    131,880.79x = 181,995.24 × 71,452.94
  4. Step 4: Simplify right side
    131,880.79x = 13,004,094,964.01
  5. Step 5: Solve for x
    x = 13,004,094,964.01/131,880.79
  6. Step 6: Final answer
    x = 98,604.92

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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.