Home / 95,077.40-131,067-72,376.82

Finding the Fourth Proportional to 95,077.40, 131,067 and 72,376.82

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Solution

The fourth proportional to 95,077.40, 131,067 and 72,376.82 is: 99,773.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,077.40 : 131,067 = 72,376.82 : x
  2. Step 2: Convert to fraction form
    95,077.40/131,067 = 72,376.82/x
  3. Step 3: Cross multiply
    95,077.40x = 131,067 × 72,376.82
  4. Step 4: Simplify right side
    95,077.40x = 9,486,212,666.94
  5. Step 5: Solve for x
    x = 9,486,212,666.94/95,077.40
  6. Step 6: Final answer
    x = 99,773.58

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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.