Home / 101,618.25-140,231.37-56,296.09

Finding the Fourth Proportional to 101,618.25, 140,231.37 and 56,296.09

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Solution

The fourth proportional to 101,618.25, 140,231.37 and 56,296.09 is: 77,687.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,618.25 : 140,231.37 = 56,296.09 : x
  2. Step 2: Convert to fraction form
    101,618.25/140,231.37 = 56,296.09/x
  3. Step 3: Cross multiply
    101,618.25x = 140,231.37 × 56,296.09
  4. Step 4: Simplify right side
    101,618.25x = 7,894,477,826.34
  5. Step 5: Solve for x
    x = 7,894,477,826.34/101,618.25
  6. Step 6: Final answer
    x = 77,687.60

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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.