Home / 142,093.64-213,123.45-110,535.23

Finding the Fourth Proportional to 142,093.64, 213,123.45 and 110,535.23

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Solution

The fourth proportional to 142,093.64, 213,123.45 and 110,535.23 is: 165,789.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,093.64 : 213,123.45 = 110,535.23 : x
  2. Step 2: Convert to fraction form
    142,093.64/213,123.45 = 110,535.23/x
  3. Step 3: Cross multiply
    142,093.64x = 213,123.45 × 110,535.23
  4. Step 4: Simplify right side
    142,093.64x = 23,557,649,564.14
  5. Step 5: Solve for x
    x = 23,557,649,564.14/142,093.64
  6. Step 6: Final answer
    x = 165,789.61

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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.