Home / 100,273.57-138,372.77-60,009.48

Finding the Fourth Proportional to 100,273.57, 138,372.77 and 60,009.48

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Solution

The fourth proportional to 100,273.57, 138,372.77 and 60,009.48 is: 82,810.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,273.57 : 138,372.77 = 60,009.48 : x
  2. Step 2: Convert to fraction form
    100,273.57/138,372.77 = 60,009.48/x
  3. Step 3: Cross multiply
    100,273.57x = 138,372.77 × 60,009.48
  4. Step 4: Simplify right side
    100,273.57x = 8,303,678,123.88
  5. Step 5: Solve for x
    x = 8,303,678,123.88/100,273.57
  6. Step 6: Final answer
    x = 82,810.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.