Home / 143,835.11-215,826.60-110,316.44

Finding the Fourth Proportional to 143,835.11, 215,826.60 and 110,316.44

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Solution

The fourth proportional to 143,835.11, 215,826.60 and 110,316.44 is: 165,531.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,835.11 : 215,826.60 = 110,316.44 : x
  2. Step 2: Convert to fraction form
    143,835.11/215,826.60 = 110,316.44/x
  3. Step 3: Cross multiply
    143,835.11x = 215,826.60 × 110,316.44
  4. Step 4: Simplify right side
    143,835.11x = 23,809,221,090.17
  5. Step 5: Solve for x
    x = 23,809,221,090.17/143,835.11
  6. Step 6: Final answer
    x = 165,531.36

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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.