Home / 92,163.21-138,067.65-56,520.57

Finding the Fourth Proportional to 92,163.21, 138,067.65 and 56,520.57

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Solution

The fourth proportional to 92,163.21, 138,067.65 and 56,520.57 is: 84,672.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,163.21 : 138,067.65 = 56,520.57 : x
  2. Step 2: Convert to fraction form
    92,163.21/138,067.65 = 56,520.57/x
  3. Step 3: Cross multiply
    92,163.21x = 138,067.65 × 56,520.57
  4. Step 4: Simplify right side
    92,163.21x = 7,803,662,276.56
  5. Step 5: Solve for x
    x = 7,803,662,276.56/92,163.21
  6. Step 6: Final answer
    x = 84,672.21

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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.