Home / 92,520.06-138,801.87-30,190.50

Finding the Fourth Proportional to 92,520.06, 138,801.87 and 30,190.50

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Solution

The fourth proportional to 92,520.06, 138,801.87 and 30,190.50 is: 45,292.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,520.06 : 138,801.87 = 30,190.50 : x
  2. Step 2: Convert to fraction form
    92,520.06/138,801.87 = 30,190.50/x
  3. Step 3: Cross multiply
    92,520.06x = 138,801.87 × 30,190.50
  4. Step 4: Simplify right side
    92,520.06x = 4,190,497,856.24
  5. Step 5: Solve for x
    x = 4,190,497,856.24/92,520.06
  6. Step 6: Final answer
    x = 45,292.86

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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.