Home / 131,919.66-182,052.63-75,329.82

Finding the Fourth Proportional to 131,919.66, 182,052.63 and 75,329.82

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Solution

The fourth proportional to 131,919.66, 182,052.63 and 75,329.82 is: 103,957.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,919.66 : 182,052.63 = 75,329.82 : x
  2. Step 2: Convert to fraction form
    131,919.66/182,052.63 = 75,329.82/x
  3. Step 3: Cross multiply
    131,919.66x = 182,052.63 × 75,329.82
  4. Step 4: Simplify right side
    131,919.66x = 13,713,991,848.43
  5. Step 5: Solve for x
    x = 13,713,991,848.43/131,919.66
  6. Step 6: Final answer
    x = 103,957.15

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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.