Home / 131,757.96-181,825.76-71,328.58

Finding the Fourth Proportional to 131,757.96, 181,825.76 and 71,328.58

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Solution

The fourth proportional to 131,757.96, 181,825.76 and 71,328.58 is: 98,433.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,757.96 : 181,825.76 = 71,328.58 : x
  2. Step 2: Convert to fraction form
    131,757.96/181,825.76 = 71,328.58/x
  3. Step 3: Cross multiply
    131,757.96x = 181,825.76 × 71,328.58
  4. Step 4: Simplify right side
    131,757.96x = 12,969,373,268.22
  5. Step 5: Solve for x
    x = 12,969,373,268.22/131,757.96
  6. Step 6: Final answer
    x = 98,433.32

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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.