Home / 92,137.38-138,281.31-47,777.46

Finding the Fourth Proportional to 92,137.38, 138,281.31 and 47,777.46

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Solution

The fourth proportional to 92,137.38, 138,281.31 and 47,777.46 is: 71,705.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,137.38 : 138,281.31 = 47,777.46 : x
  2. Step 2: Convert to fraction form
    92,137.38/138,281.31 = 47,777.46/x
  3. Step 3: Cross multiply
    92,137.38x = 138,281.31 × 47,777.46
  4. Step 4: Simplify right side
    92,137.38x = 6,606,729,757.27
  5. Step 5: Solve for x
    x = 6,606,729,757.27/92,137.38
  6. Step 6: Final answer
    x = 71,705.21

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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.