Home / 131,736.92-181,800.48-80,036.42

Finding the Fourth Proportional to 131,736.92, 181,800.48 and 80,036.42

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Solution

The fourth proportional to 131,736.92, 181,800.48 and 80,036.42 is: 110,452.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,736.92 : 181,800.48 = 80,036.42 : x
  2. Step 2: Convert to fraction form
    131,736.92/181,800.48 = 80,036.42/x
  3. Step 3: Cross multiply
    131,736.92x = 181,800.48 × 80,036.42
  4. Step 4: Simplify right side
    131,736.92x = 14,550,658,264.30
  5. Step 5: Solve for x
    x = 14,550,658,264.30/131,736.92
  6. Step 6: Final answer
    x = 110,452.40

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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.