Home / 92,211.21-138,300.41-25,633.46

Finding the Fourth Proportional to 92,211.21, 138,300.41 and 25,633.46

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Solution

The fourth proportional to 92,211.21, 138,300.41 and 25,633.46 is: 38,445.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,211.21 : 138,300.41 = 25,633.46 : x
  2. Step 2: Convert to fraction form
    92,211.21/138,300.41 = 25,633.46/x
  3. Step 3: Cross multiply
    92,211.21x = 138,300.41 × 25,633.46
  4. Step 4: Simplify right side
    92,211.21x = 3,545,118,437.55
  5. Step 5: Solve for x
    x = 3,545,118,437.55/92,211.21
  6. Step 6: Final answer
    x = 38,445.63

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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.