Home / 92,004.18-138,006.09-28,829.13

Finding the Fourth Proportional to 92,004.18, 138,006.09 and 28,829.13

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Solution

The fourth proportional to 92,004.18, 138,006.09 and 28,829.13 is: 43,243.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,004.18 : 138,006.09 = 28,829.13 : x
  2. Step 2: Convert to fraction form
    92,004.18/138,006.09 = 28,829.13/x
  3. Step 3: Cross multiply
    92,004.18x = 138,006.09 × 28,829.13
  4. Step 4: Simplify right side
    92,004.18x = 3,978,594,991.88
  5. Step 5: Solve for x
    x = 3,978,594,991.88/92,004.18
  6. Step 6: Final answer
    x = 43,243.63

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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.