Home / 87,298.41-131,113.71-54,249.42

Finding the Fourth Proportional to 87,298.41, 131,113.71 and 54,249.42

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Solution

The fourth proportional to 87,298.41, 131,113.71 and 54,249.42 is: 81,477.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,298.41 : 131,113.71 = 54,249.42 : x
  2. Step 2: Convert to fraction form
    87,298.41/131,113.71 = 54,249.42/x
  3. Step 3: Cross multiply
    87,298.41x = 131,113.71 × 54,249.42
  4. Step 4: Simplify right side
    87,298.41x = 7,112,842,721.55
  5. Step 5: Solve for x
    x = 7,112,842,721.55/87,298.41
  6. Step 6: Final answer
    x = 81,477.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.