Home / 131,825.42-181,927.05-80,844.02

Finding the Fourth Proportional to 131,825.42, 181,927.05 and 80,844.02

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Solution

The fourth proportional to 131,825.42, 181,927.05 and 80,844.02 is: 111,569.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,825.42 : 181,927.05 = 80,844.02 : x
  2. Step 2: Convert to fraction form
    131,825.42/181,927.05 = 80,844.02/x
  3. Step 3: Cross multiply
    131,825.42x = 181,927.05 × 80,844.02
  4. Step 4: Simplify right side
    131,825.42x = 14,707,714,068.74
  5. Step 5: Solve for x
    x = 14,707,714,068.74/131,825.42
  6. Step 6: Final answer
    x = 111,569.64

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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.