Home / 142,032.70-195,922.47-91,027.32

Finding the Fourth Proportional to 142,032.70, 195,922.47 and 91,027.32

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Solution

The fourth proportional to 142,032.70, 195,922.47 and 91,027.32 is: 125,564.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,032.70 : 195,922.47 = 91,027.32 : x
  2. Step 2: Convert to fraction form
    142,032.70/195,922.47 = 91,027.32/x
  3. Step 3: Cross multiply
    142,032.70x = 195,922.47 × 91,027.32
  4. Step 4: Simplify right side
    142,032.70x = 17,834,297,371.88
  5. Step 5: Solve for x
    x = 17,834,297,371.88/142,032.70
  6. Step 6: Final answer
    x = 125,564.73

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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.