Home / 131,627.54-181,646.03-71,198.16

Finding the Fourth Proportional to 131,627.54, 181,646.03 and 71,198.16

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Solution

The fourth proportional to 131,627.54, 181,646.03 and 71,198.16 is: 98,253.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,627.54 : 181,646.03 = 71,198.16 : x
  2. Step 2: Convert to fraction form
    131,627.54/181,646.03 = 71,198.16/x
  3. Step 3: Cross multiply
    131,627.54x = 181,646.03 × 71,198.16
  4. Step 4: Simplify right side
    131,627.54x = 12,932,863,107.30
  5. Step 5: Solve for x
    x = 12,932,863,107.30/131,627.54
  6. Step 6: Final answer
    x = 98,253.47

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1.5x scale

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.