Home / 173,143.26-238,869.83-100,533.75

Finding the Fourth Proportional to 173,143.26, 238,869.83 and 100,533.75

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Solution

The fourth proportional to 173,143.26, 238,869.83 and 100,533.75 is: 138,697.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,143.26 : 238,869.83 = 100,533.75 : x
  2. Step 2: Convert to fraction form
    173,143.26/238,869.83 = 100,533.75/x
  3. Step 3: Cross multiply
    173,143.26x = 238,869.83 × 100,533.75
  4. Step 4: Simplify right side
    173,143.26x = 24,014,479,269.09
  5. Step 5: Solve for x
    x = 24,014,479,269.09/173,143.26
  6. Step 6: Final answer
    x = 138,697.16

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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.