Home / 100,184.33-138,254.44-54,243.83

Finding the Fourth Proportional to 100,184.33, 138,254.44 and 54,243.83

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Solution

The fourth proportional to 100,184.33, 138,254.44 and 54,243.83 is: 74,856.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,184.33 : 138,254.44 = 54,243.83 : x
  2. Step 2: Convert to fraction form
    100,184.33/138,254.44 = 54,243.83/x
  3. Step 3: Cross multiply
    100,184.33x = 138,254.44 × 54,243.83
  4. Step 4: Simplify right side
    100,184.33x = 7,499,450,304.86
  5. Step 5: Solve for x
    x = 7,499,450,304.86/100,184.33
  6. Step 6: Final answer
    x = 74,856.52

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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.